Home / 5,422.26-8,132.37-1,724.53

Finding the Fourth Proportional to 5,422.26, 8,132.37 and 1,724.53

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Solution

The fourth proportional to 5,422.26, 8,132.37 and 1,724.53 is: 2,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.26 : 8,132.37 = 1,724.53 : x
  2. Step 2: Convert to fraction form
    5,422.26/8,132.37 = 1,724.53/x
  3. Step 3: Cross multiply
    5,422.26x = 8,132.37 × 1,724.53
  4. Step 4: Simplify right side
    5,422.26x = 14,024,516.04
  5. Step 5: Solve for x
    x = 14,024,516.04/5,422.26
  6. Step 6: Final answer
    x = 2,586.47

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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.