Home / 8,258.44-11,398.14-5,275.20

Finding the Fourth Proportional to 8,258.44, 11,398.14 and 5,275.20

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Solution

The fourth proportional to 8,258.44, 11,398.14 and 5,275.20 is: 7,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.44 : 11,398.14 = 5,275.20 : x
  2. Step 2: Convert to fraction form
    8,258.44/11,398.14 = 5,275.20/x
  3. Step 3: Cross multiply
    8,258.44x = 11,398.14 × 5,275.20
  4. Step 4: Simplify right side
    8,258.44x = 60,127,468.13
  5. Step 5: Solve for x
    x = 60,127,468.13/8,258.44
  6. Step 6: Final answer
    x = 7,280.73

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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.