Home / 8,564.91-12,847.38-2,721.53

Finding the Fourth Proportional to 8,564.91, 12,847.38 and 2,721.53

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Solution

The fourth proportional to 8,564.91, 12,847.38 and 2,721.53 is: 4,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.91 : 12,847.38 = 2,721.53 : x
  2. Step 2: Convert to fraction form
    8,564.91/12,847.38 = 2,721.53/x
  3. Step 3: Cross multiply
    8,564.91x = 12,847.38 × 2,721.53
  4. Step 4: Simplify right side
    8,564.91x = 34,964,552.00
  5. Step 5: Solve for x
    x = 34,964,552.00/8,564.91
  6. Step 6: Final answer
    x = 4,082.30

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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.