Home / 5,329.60-7,351.36-3,839.70

Finding the Fourth Proportional to 5,329.60, 7,351.36 and 3,839.70

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Solution

The fourth proportional to 5,329.60, 7,351.36 and 3,839.70 is: 5,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.60 : 7,351.36 = 3,839.70 : x
  2. Step 2: Convert to fraction form
    5,329.60/7,351.36 = 3,839.70/x
  3. Step 3: Cross multiply
    5,329.60x = 7,351.36 × 3,839.70
  4. Step 4: Simplify right side
    5,329.60x = 28,227,034.96
  5. Step 5: Solve for x
    x = 28,227,034.96/5,329.60
  6. Step 6: Final answer
    x = 5,296.28

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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.