Home / 8,218.62-11,340.54-4,681.08

Finding the Fourth Proportional to 8,218.62, 11,340.54 and 4,681.08

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Solution

The fourth proportional to 8,218.62, 11,340.54 and 4,681.08 is: 6,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.62 : 11,340.54 = 4,681.08 : x
  2. Step 2: Convert to fraction form
    8,218.62/11,340.54 = 4,681.08/x
  3. Step 3: Cross multiply
    8,218.62x = 11,340.54 × 4,681.08
  4. Step 4: Simplify right side
    8,218.62x = 53,085,974.98
  5. Step 5: Solve for x
    x = 53,085,974.98/8,218.62
  6. Step 6: Final answer
    x = 6,459.23

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Half scale
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Double scale
Find fourth proportional to 8,219.62, 11,341.92 and 4,682.08
Similar ratio
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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.