Home / 7,132.59-10,694.33-3,427.45

Finding the Fourth Proportional to 7,132.59, 10,694.33 and 3,427.45

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Solution

The fourth proportional to 7,132.59, 10,694.33 and 3,427.45 is: 5,138.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.59 : 10,694.33 = 3,427.45 : x
  2. Step 2: Convert to fraction form
    7,132.59/10,694.33 = 3,427.45/x
  3. Step 3: Cross multiply
    7,132.59x = 10,694.33 × 3,427.45
  4. Step 4: Simplify right side
    7,132.59x = 36,654,281.36
  5. Step 5: Solve for x
    x = 36,654,281.36/7,132.59
  6. Step 6: Final answer
    x = 5,138.99

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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.