Home / 8,747.10-13,116.42-2,901.78

Finding the Fourth Proportional to 8,747.10, 13,116.42 and 2,901.78

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Solution

The fourth proportional to 8,747.10, 13,116.42 and 2,901.78 is: 4,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.10 : 13,116.42 = 2,901.78 : x
  2. Step 2: Convert to fraction form
    8,747.10/13,116.42 = 2,901.78/x
  3. Step 3: Cross multiply
    8,747.10x = 13,116.42 × 2,901.78
  4. Step 4: Simplify right side
    8,747.10x = 38,060,965.23
  5. Step 5: Solve for x
    x = 38,060,965.23/8,747.10
  6. Step 6: Final answer
    x = 4,351.27

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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.