Home / 7,378.71-11,062.04-3,432.43

Finding the Fourth Proportional to 7,378.71, 11,062.04 and 3,432.43

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Solution

The fourth proportional to 7,378.71, 11,062.04 and 3,432.43 is: 5,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.71 : 11,062.04 = 3,432.43 : x
  2. Step 2: Convert to fraction form
    7,378.71/11,062.04 = 3,432.43/x
  3. Step 3: Cross multiply
    7,378.71x = 11,062.04 × 3,432.43
  4. Step 4: Simplify right side
    7,378.71x = 37,969,687.49
  5. Step 5: Solve for x
    x = 37,969,687.49/7,378.71
  6. Step 6: Final answer
    x = 5,145.84

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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.