Home / 7,731.28-11,596.89-3,834.76

Finding the Fourth Proportional to 7,731.28, 11,596.89 and 3,834.76

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Solution

The fourth proportional to 7,731.28, 11,596.89 and 3,834.76 is: 5,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.28 : 11,596.89 = 3,834.76 : x
  2. Step 2: Convert to fraction form
    7,731.28/11,596.89 = 3,834.76/x
  3. Step 3: Cross multiply
    7,731.28x = 11,596.89 × 3,834.76
  4. Step 4: Simplify right side
    7,731.28x = 44,471,289.90
  5. Step 5: Solve for x
    x = 44,471,289.90/7,731.28
  6. Step 6: Final answer
    x = 5,752.13

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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.