Home / 8,885.29-13,333.88-3,691.17

Finding the Fourth Proportional to 8,885.29, 13,333.88 and 3,691.17

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Solution

The fourth proportional to 8,885.29, 13,333.88 and 3,691.17 is: 5,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.29 : 13,333.88 = 3,691.17 : x
  2. Step 2: Convert to fraction form
    8,885.29/13,333.88 = 3,691.17/x
  3. Step 3: Cross multiply
    8,885.29x = 13,333.88 × 3,691.17
  4. Step 4: Simplify right side
    8,885.29x = 49,217,617.84
  5. Step 5: Solve for x
    x = 49,217,617.84/8,885.29
  6. Step 6: Final answer
    x = 5,539.22

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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.