Home / 5,531.45-7,631.76-3,292.20

Finding the Fourth Proportional to 5,531.45, 7,631.76 and 3,292.20

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Solution

The fourth proportional to 5,531.45, 7,631.76 and 3,292.20 is: 4,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.45 : 7,631.76 = 3,292.20 : x
  2. Step 2: Convert to fraction form
    5,531.45/7,631.76 = 3,292.20/x
  3. Step 3: Cross multiply
    5,531.45x = 7,631.76 × 3,292.20
  4. Step 4: Simplify right side
    5,531.45x = 25,125,280.27
  5. Step 5: Solve for x
    x = 25,125,280.27/5,531.45
  6. Step 6: Final answer
    x = 4,542.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.