Home / 7,388.48-11,086.17-3,690.97

Finding the Fourth Proportional to 7,388.48, 11,086.17 and 3,690.97

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Solution

The fourth proportional to 7,388.48, 11,086.17 and 3,690.97 is: 5,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.48 : 11,086.17 = 3,690.97 : x
  2. Step 2: Convert to fraction form
    7,388.48/11,086.17 = 3,690.97/x
  3. Step 3: Cross multiply
    7,388.48x = 11,086.17 × 3,690.97
  4. Step 4: Simplify right side
    7,388.48x = 40,918,679.33
  5. Step 5: Solve for x
    x = 40,918,679.33/7,388.48
  6. Step 6: Final answer
    x = 5,538.17

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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.