Home / 5,311.18-7,327.38-3,422.62

Finding the Fourth Proportional to 5,311.18, 7,327.38 and 3,422.62

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Solution

The fourth proportional to 5,311.18, 7,327.38 and 3,422.62 is: 4,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.18 : 7,327.38 = 3,422.62 : x
  2. Step 2: Convert to fraction form
    5,311.18/7,327.38 = 3,422.62/x
  3. Step 3: Cross multiply
    5,311.18x = 7,327.38 × 3,422.62
  4. Step 4: Simplify right side
    5,311.18x = 25,078,837.34
  5. Step 5: Solve for x
    x = 25,078,837.34/5,311.18
  6. Step 6: Final answer
    x = 4,721.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.