Home / 5,990.19-8,972.20-4,938.38

Finding the Fourth Proportional to 5,990.19, 8,972.20 and 4,938.38

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Solution

The fourth proportional to 5,990.19, 8,972.20 and 4,938.38 is: 7,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.19 : 8,972.20 = 4,938.38 : x
  2. Step 2: Convert to fraction form
    5,990.19/8,972.20 = 4,938.38/x
  3. Step 3: Cross multiply
    5,990.19x = 8,972.20 × 4,938.38
  4. Step 4: Simplify right side
    5,990.19x = 44,308,086.18
  5. Step 5: Solve for x
    x = 44,308,086.18/5,990.19
  6. Step 6: Final answer
    x = 7,396.78

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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.