Home / 8,457.30-11,671.83-4,681.35

Finding the Fourth Proportional to 8,457.30, 11,671.83 and 4,681.35

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Solution

The fourth proportional to 8,457.30, 11,671.83 and 4,681.35 is: 6,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.30 : 11,671.83 = 4,681.35 : x
  2. Step 2: Convert to fraction form
    8,457.30/11,671.83 = 4,681.35/x
  3. Step 3: Cross multiply
    8,457.30x = 11,671.83 × 4,681.35
  4. Step 4: Simplify right side
    8,457.30x = 54,639,921.37
  5. Step 5: Solve for x
    x = 54,639,921.37/8,457.30
  6. Step 6: Final answer
    x = 6,460.68

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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.