Home / 6,517.60-9,759.12-3,392.08

Finding the Fourth Proportional to 6,517.60, 9,759.12 and 3,392.08

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Solution

The fourth proportional to 6,517.60, 9,759.12 and 3,392.08 is: 5,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.60 : 9,759.12 = 3,392.08 : x
  2. Step 2: Convert to fraction form
    6,517.60/9,759.12 = 3,392.08/x
  3. Step 3: Cross multiply
    6,517.60x = 9,759.12 × 3,392.08
  4. Step 4: Simplify right side
    6,517.60x = 33,103,715.77
  5. Step 5: Solve for x
    x = 33,103,715.77/6,517.60
  6. Step 6: Final answer
    x = 5,079.13

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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.