Home / 8,437.38-12,656.13-3,507.18

Finding the Fourth Proportional to 8,437.38, 12,656.13 and 3,507.18

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Solution

The fourth proportional to 8,437.38, 12,656.13 and 3,507.18 is: 5,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.38 : 12,656.13 = 3,507.18 : x
  2. Step 2: Convert to fraction form
    8,437.38/12,656.13 = 3,507.18/x
  3. Step 3: Cross multiply
    8,437.38x = 12,656.13 × 3,507.18
  4. Step 4: Simplify right side
    8,437.38x = 44,387,326.01
  5. Step 5: Solve for x
    x = 44,387,326.01/8,437.38
  6. Step 6: Final answer
    x = 5,260.79

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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.