Home / 8,480.28-12,721.26-2,635.32

Finding the Fourth Proportional to 8,480.28, 12,721.26 and 2,635.32

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Solution

The fourth proportional to 8,480.28, 12,721.26 and 2,635.32 is: 3,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.28 : 12,721.26 = 2,635.32 : x
  2. Step 2: Convert to fraction form
    8,480.28/12,721.26 = 2,635.32/x
  3. Step 3: Cross multiply
    8,480.28x = 12,721.26 × 2,635.32
  4. Step 4: Simplify right side
    8,480.28x = 33,524,590.90
  5. Step 5: Solve for x
    x = 33,524,590.90/8,480.28
  6. Step 6: Final answer
    x = 3,953.24

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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.