Home / 8,945.74-13,419.27-2,371.78

Finding the Fourth Proportional to 8,945.74, 13,419.27 and 2,371.78

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Solution

The fourth proportional to 8,945.74, 13,419.27 and 2,371.78 is: 3,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.74 : 13,419.27 = 2,371.78 : x
  2. Step 2: Convert to fraction form
    8,945.74/13,419.27 = 2,371.78/x
  3. Step 3: Cross multiply
    8,945.74x = 13,419.27 × 2,371.78
  4. Step 4: Simplify right side
    8,945.74x = 31,827,572.97
  5. Step 5: Solve for x
    x = 31,827,572.97/8,945.74
  6. Step 6: Final answer
    x = 3,557.85

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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.