Home / 4,959.28-7,436.40-1,839.16

Finding the Fourth Proportional to 4,959.28, 7,436.40 and 1,839.16

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Solution

The fourth proportional to 4,959.28, 7,436.40 and 1,839.16 is: 2,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.28 : 7,436.40 = 1,839.16 : x
  2. Step 2: Convert to fraction form
    4,959.28/7,436.40 = 1,839.16/x
  3. Step 3: Cross multiply
    4,959.28x = 7,436.40 × 1,839.16
  4. Step 4: Simplify right side
    4,959.28x = 13,676,729.42
  5. Step 5: Solve for x
    x = 13,676,729.42/4,959.28
  6. Step 6: Final answer
    x = 2,757.81

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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.