Home / 7,704.12-11,560.56-3,808.92

Finding the Fourth Proportional to 7,704.12, 11,560.56 and 3,808.92

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Solution

The fourth proportional to 7,704.12, 11,560.56 and 3,808.92 is: 5,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.12 : 11,560.56 = 3,808.92 : x
  2. Step 2: Convert to fraction form
    7,704.12/11,560.56 = 3,808.92/x
  3. Step 3: Cross multiply
    7,704.12x = 11,560.56 × 3,808.92
  4. Step 4: Simplify right side
    7,704.12x = 44,033,248.20
  5. Step 5: Solve for x
    x = 44,033,248.20/7,704.12
  6. Step 6: Final answer
    x = 5,715.55

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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.