Home / 5,537.30-7,642.50-3,147.26

Finding the Fourth Proportional to 5,537.30, 7,642.50 and 3,147.26

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Solution

The fourth proportional to 5,537.30, 7,642.50 and 3,147.26 is: 4,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.30 : 7,642.50 = 3,147.26 : x
  2. Step 2: Convert to fraction form
    5,537.30/7,642.50 = 3,147.26/x
  3. Step 3: Cross multiply
    5,537.30x = 7,642.50 × 3,147.26
  4. Step 4: Simplify right side
    5,537.30x = 24,052,934.55
  5. Step 5: Solve for x
    x = 24,052,934.55/5,537.30
  6. Step 6: Final answer
    x = 4,343.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.