Home / 7,591.68-11,385.92-2,660.16

Finding the Fourth Proportional to 7,591.68, 11,385.92 and 2,660.16

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Solution

The fourth proportional to 7,591.68, 11,385.92 and 2,660.16 is: 3,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.68 : 11,385.92 = 2,660.16 : x
  2. Step 2: Convert to fraction form
    7,591.68/11,385.92 = 2,660.16/x
  3. Step 3: Cross multiply
    7,591.68x = 11,385.92 × 2,660.16
  4. Step 4: Simplify right side
    7,591.68x = 30,288,368.95
  5. Step 5: Solve for x
    x = 30,288,368.95/7,591.68
  6. Step 6: Final answer
    x = 3,989.68

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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.