Home / 8,721.41-13,082.61-3,175.34

Finding the Fourth Proportional to 8,721.41, 13,082.61 and 3,175.34

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Solution

The fourth proportional to 8,721.41, 13,082.61 and 3,175.34 is: 4,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.41 : 13,082.61 = 3,175.34 : x
  2. Step 2: Convert to fraction form
    8,721.41/13,082.61 = 3,175.34/x
  3. Step 3: Cross multiply
    8,721.41x = 13,082.61 × 3,175.34
  4. Step 4: Simplify right side
    8,721.41x = 41,541,681.33
  5. Step 5: Solve for x
    x = 41,541,681.33/8,721.41
  6. Step 6: Final answer
    x = 4,763.19

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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.