Home / 6,345.28-9,517.92-1,728.32

Finding the Fourth Proportional to 6,345.28, 9,517.92 and 1,728.32

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Solution

The fourth proportional to 6,345.28, 9,517.92 and 1,728.32 is: 2,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.28 : 9,517.92 = 1,728.32 : x
  2. Step 2: Convert to fraction form
    6,345.28/9,517.92 = 1,728.32/x
  3. Step 3: Cross multiply
    6,345.28x = 9,517.92 × 1,728.32
  4. Step 4: Simplify right side
    6,345.28x = 16,450,011.49
  5. Step 5: Solve for x
    x = 16,450,011.49/6,345.28
  6. Step 6: Final answer
    x = 2,592.48

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Similar ratio
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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.