Home / 5,306.83-7,957.19-2,188.98

Finding the Fourth Proportional to 5,306.83, 7,957.19 and 2,188.98

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Solution

The fourth proportional to 5,306.83, 7,957.19 and 2,188.98 is: 3,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.83 : 7,957.19 = 2,188.98 : x
  2. Step 2: Convert to fraction form
    5,306.83/7,957.19 = 2,188.98/x
  3. Step 3: Cross multiply
    5,306.83x = 7,957.19 × 2,188.98
  4. Step 4: Simplify right side
    5,306.83x = 17,418,135.24
  5. Step 5: Solve for x
    x = 17,418,135.24/5,306.83
  6. Step 6: Final answer
    x = 3,282.21

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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.