Home / 5,372.02-8,061.21-2,906.78

Finding the Fourth Proportional to 5,372.02, 8,061.21 and 2,906.78

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Solution

The fourth proportional to 5,372.02, 8,061.21 and 2,906.78 is: 4,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.02 : 8,061.21 = 2,906.78 : x
  2. Step 2: Convert to fraction form
    5,372.02/8,061.21 = 2,906.78/x
  3. Step 3: Cross multiply
    5,372.02x = 8,061.21 × 2,906.78
  4. Step 4: Simplify right side
    5,372.02x = 23,432,164.00
  5. Step 5: Solve for x
    x = 23,432,164.00/5,372.02
  6. Step 6: Final answer
    x = 4,361.89

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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.