Home / 5,229.12-7,843.44-1,531.20

Finding the Fourth Proportional to 5,229.12, 7,843.44 and 1,531.20

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Solution

The fourth proportional to 5,229.12, 7,843.44 and 1,531.20 is: 2,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.12 : 7,843.44 = 1,531.20 : x
  2. Step 2: Convert to fraction form
    5,229.12/7,843.44 = 1,531.20/x
  3. Step 3: Cross multiply
    5,229.12x = 7,843.44 × 1,531.20
  4. Step 4: Simplify right side
    5,229.12x = 12,009,875.33
  5. Step 5: Solve for x
    x = 12,009,875.33/5,229.12
  6. Step 6: Final answer
    x = 2,296.73

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1.5x scale

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.