Home / 5,177.90-7,761.38-3,716.26

Finding the Fourth Proportional to 5,177.90, 7,761.38 and 3,716.26

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Solution

The fourth proportional to 5,177.90, 7,761.38 and 3,716.26 is: 5,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.90 : 7,761.38 = 3,716.26 : x
  2. Step 2: Convert to fraction form
    5,177.90/7,761.38 = 3,716.26/x
  3. Step 3: Cross multiply
    5,177.90x = 7,761.38 × 3,716.26
  4. Step 4: Simplify right side
    5,177.90x = 28,843,306.04
  5. Step 5: Solve for x
    x = 28,843,306.04/5,177.90
  6. Step 6: Final answer
    x = 5,570.46

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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.