Home / 7,286.40-10,924.02-3,387.96

Finding the Fourth Proportional to 7,286.40, 10,924.02 and 3,387.96

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Solution

The fourth proportional to 7,286.40, 10,924.02 and 3,387.96 is: 5,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.40 : 10,924.02 = 3,387.96 : x
  2. Step 2: Convert to fraction form
    7,286.40/10,924.02 = 3,387.96/x
  3. Step 3: Cross multiply
    7,286.40x = 10,924.02 × 3,387.96
  4. Step 4: Simplify right side
    7,286.40x = 37,010,142.80
  5. Step 5: Solve for x
    x = 37,010,142.80/7,286.40
  6. Step 6: Final answer
    x = 5,079.35

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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.