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Finding the Fourth Proportional to 8,966.17, 13,452.99 and 4,805.11

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Solution

The fourth proportional to 8,966.17, 13,452.99 and 4,805.11 is: 7,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.17 : 13,452.99 = 4,805.11 : x
  2. Step 2: Convert to fraction form
    8,966.17/13,452.99 = 4,805.11/x
  3. Step 3: Cross multiply
    8,966.17x = 13,452.99 × 4,805.11
  4. Step 4: Simplify right side
    8,966.17x = 64,643,045.13
  5. Step 5: Solve for x
    x = 64,643,045.13/8,966.17
  6. Step 6: Final answer
    x = 7,209.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.