Home / 7,517.57-11,272.52-4,398.57

Finding the Fourth Proportional to 7,517.57, 11,272.52 and 4,398.57

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Solution

The fourth proportional to 7,517.57, 11,272.52 and 4,398.57 is: 6,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.57 : 11,272.52 = 4,398.57 : x
  2. Step 2: Convert to fraction form
    7,517.57/11,272.52 = 4,398.57/x
  3. Step 3: Cross multiply
    7,517.57x = 11,272.52 × 4,398.57
  4. Step 4: Simplify right side
    7,517.57x = 49,582,979.29
  5. Step 5: Solve for x
    x = 49,582,979.29/7,517.57
  6. Step 6: Final answer
    x = 6,595.62

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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.