Home / 5,605.32-8,398.68-3,958.50

Finding the Fourth Proportional to 5,605.32, 8,398.68 and 3,958.50

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Solution

The fourth proportional to 5,605.32, 8,398.68 and 3,958.50 is: 5,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.32 : 8,398.68 = 3,958.50 : x
  2. Step 2: Convert to fraction form
    5,605.32/8,398.68 = 3,958.50/x
  3. Step 3: Cross multiply
    5,605.32x = 8,398.68 × 3,958.50
  4. Step 4: Simplify right side
    5,605.32x = 33,246,174.78
  5. Step 5: Solve for x
    x = 33,246,174.78/5,605.32
  6. Step 6: Final answer
    x = 5,931.18

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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.