Home / 8,270.24-12,406.17-2,721.32

Finding the Fourth Proportional to 8,270.24, 12,406.17 and 2,721.32

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Solution

The fourth proportional to 8,270.24, 12,406.17 and 2,721.32 is: 4,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.24 : 12,406.17 = 2,721.32 : x
  2. Step 2: Convert to fraction form
    8,270.24/12,406.17 = 2,721.32/x
  3. Step 3: Cross multiply
    8,270.24x = 12,406.17 × 2,721.32
  4. Step 4: Simplify right side
    8,270.24x = 33,761,158.54
  5. Step 5: Solve for x
    x = 33,761,158.54/8,270.24
  6. Step 6: Final answer
    x = 4,082.25

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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.