Home / 7,388.57-11,082.75-3,437.62

Finding the Fourth Proportional to 7,388.57, 11,082.75 and 3,437.62

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Solution

The fourth proportional to 7,388.57, 11,082.75 and 3,437.62 is: 5,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.57 : 11,082.75 = 3,437.62 : x
  2. Step 2: Convert to fraction form
    7,388.57/11,082.75 = 3,437.62/x
  3. Step 3: Cross multiply
    7,388.57x = 11,082.75 × 3,437.62
  4. Step 4: Simplify right side
    7,388.57x = 38,098,242.46
  5. Step 5: Solve for x
    x = 38,098,242.46/7,388.57
  6. Step 6: Final answer
    x = 5,156.38

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Half scale
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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.