Home / 5,324.16-7,990.50-2,402.70

Finding the Fourth Proportional to 5,324.16, 7,990.50 and 2,402.70

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Solution

The fourth proportional to 5,324.16, 7,990.50 and 2,402.70 is: 3,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.16 : 7,990.50 = 2,402.70 : x
  2. Step 2: Convert to fraction form
    5,324.16/7,990.50 = 2,402.70/x
  3. Step 3: Cross multiply
    5,324.16x = 7,990.50 × 2,402.70
  4. Step 4: Simplify right side
    5,324.16x = 19,198,774.35
  5. Step 5: Solve for x
    x = 19,198,774.35/5,324.16
  6. Step 6: Final answer
    x = 3,605.97

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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.