Home / 6,631.80-9,949.02-1,951.92

Finding the Fourth Proportional to 6,631.80, 9,949.02 and 1,951.92

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Solution

The fourth proportional to 6,631.80, 9,949.02 and 1,951.92 is: 2,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.80 : 9,949.02 = 1,951.92 : x
  2. Step 2: Convert to fraction form
    6,631.80/9,949.02 = 1,951.92/x
  3. Step 3: Cross multiply
    6,631.80x = 9,949.02 × 1,951.92
  4. Step 4: Simplify right side
    6,631.80x = 19,419,691.12
  5. Step 5: Solve for x
    x = 19,419,691.12/6,631.80
  6. Step 6: Final answer
    x = 2,928.27

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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.