Home / 5,689.59-8,538.25-3,491.61

Finding the Fourth Proportional to 5,689.59, 8,538.25 and 3,491.61

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Solution

The fourth proportional to 5,689.59, 8,538.25 and 3,491.61 is: 5,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.59 : 8,538.25 = 3,491.61 : x
  2. Step 2: Convert to fraction form
    5,689.59/8,538.25 = 3,491.61/x
  3. Step 3: Cross multiply
    5,689.59x = 8,538.25 × 3,491.61
  4. Step 4: Simplify right side
    5,689.59x = 29,812,239.08
  5. Step 5: Solve for x
    x = 29,812,239.08/5,689.59
  6. Step 6: Final answer
    x = 5,239.79

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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.