Home / 8,275.32-12,398.52-6,897.54

Finding the Fourth Proportional to 8,275.32, 12,398.52 and 6,897.54

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Solution

The fourth proportional to 8,275.32, 12,398.52 and 6,897.54 is: 10,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.32 : 12,398.52 = 6,897.54 : x
  2. Step 2: Convert to fraction form
    8,275.32/12,398.52 = 6,897.54/x
  3. Step 3: Cross multiply
    8,275.32x = 12,398.52 × 6,897.54
  4. Step 4: Simplify right side
    8,275.32x = 85,519,287.64
  5. Step 5: Solve for x
    x = 85,519,287.64/8,275.32
  6. Step 6: Final answer
    x = 10,334.26

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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.