Home / 8,700.17-12,006.68-5,116.20

Finding the Fourth Proportional to 8,700.17, 12,006.68 and 5,116.20

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Solution

The fourth proportional to 8,700.17, 12,006.68 and 5,116.20 is: 7,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.17 : 12,006.68 = 5,116.20 : x
  2. Step 2: Convert to fraction form
    8,700.17/12,006.68 = 5,116.20/x
  3. Step 3: Cross multiply
    8,700.17x = 12,006.68 × 5,116.20
  4. Step 4: Simplify right side
    8,700.17x = 61,428,550.64
  5. Step 5: Solve for x
    x = 61,428,550.64/8,700.17
  6. Step 6: Final answer
    x = 7,060.62

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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.