Home / 8,457.92-11,672.52-4,681.20

Finding the Fourth Proportional to 8,457.92, 11,672.52 and 4,681.20

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Solution

The fourth proportional to 8,457.92, 11,672.52 and 4,681.20 is: 6,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.92 : 11,672.52 = 4,681.20 : x
  2. Step 2: Convert to fraction form
    8,457.92/11,672.52 = 4,681.20/x
  3. Step 3: Cross multiply
    8,457.92x = 11,672.52 × 4,681.20
  4. Step 4: Simplify right side
    8,457.92x = 54,641,400.62
  5. Step 5: Solve for x
    x = 54,641,400.62/8,457.92
  6. Step 6: Final answer
    x = 6,460.38

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Find fourth proportional to 4,228.96, 5,836.26 and 2,340.60
Half scale
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Double scale
Find fourth proportional to 8,458.92, 11,673.90 and 4,682.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.