Home / 5,261.41-7,899.90-3,517.30

Finding the Fourth Proportional to 5,261.41, 7,899.90 and 3,517.30

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Solution

The fourth proportional to 5,261.41, 7,899.90 and 3,517.30 is: 5,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.41 : 7,899.90 = 3,517.30 : x
  2. Step 2: Convert to fraction form
    5,261.41/7,899.90 = 3,517.30/x
  3. Step 3: Cross multiply
    5,261.41x = 7,899.90 × 3,517.30
  4. Step 4: Simplify right side
    5,261.41x = 27,786,318.27
  5. Step 5: Solve for x
    x = 27,786,318.27/5,261.41
  6. Step 6: Final answer
    x = 5,281.15

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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.