Home / 9,134.72-13,691.04-4,447.70

Finding the Fourth Proportional to 9,134.72, 13,691.04 and 4,447.70

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Solution

The fourth proportional to 9,134.72, 13,691.04 and 4,447.70 is: 6,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.72 : 13,691.04 = 4,447.70 : x
  2. Step 2: Convert to fraction form
    9,134.72/13,691.04 = 4,447.70/x
  3. Step 3: Cross multiply
    9,134.72x = 13,691.04 × 4,447.70
  4. Step 4: Simplify right side
    9,134.72x = 60,893,638.61
  5. Step 5: Solve for x
    x = 60,893,638.61/9,134.72
  6. Step 6: Final answer
    x = 6,666.17

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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.