Home / 5,531.52-7,631.04-3,541.28

Finding the Fourth Proportional to 5,531.52, 7,631.04 and 3,541.28

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Solution

The fourth proportional to 5,531.52, 7,631.04 and 3,541.28 is: 4,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.52 : 7,631.04 = 3,541.28 : x
  2. Step 2: Convert to fraction form
    5,531.52/7,631.04 = 3,541.28/x
  3. Step 3: Cross multiply
    5,531.52x = 7,631.04 × 3,541.28
  4. Step 4: Simplify right side
    5,531.52x = 27,023,649.33
  5. Step 5: Solve for x
    x = 27,023,649.33/5,531.52
  6. Step 6: Final answer
    x = 4,885.39

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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.