Home / 9,146.50-13,711.56-3,301.78

Finding the Fourth Proportional to 9,146.50, 13,711.56 and 3,301.78

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Solution

The fourth proportional to 9,146.50, 13,711.56 and 3,301.78 is: 4,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.50 : 13,711.56 = 3,301.78 : x
  2. Step 2: Convert to fraction form
    9,146.50/13,711.56 = 3,301.78/x
  3. Step 3: Cross multiply
    9,146.50x = 13,711.56 × 3,301.78
  4. Step 4: Simplify right side
    9,146.50x = 45,272,554.58
  5. Step 5: Solve for x
    x = 45,272,554.58/9,146.50
  6. Step 6: Final answer
    x = 4,949.71

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1.5x scale

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.