Home / 4,943.28-7,414.65-1,245.51

Finding the Fourth Proportional to 4,943.28, 7,414.65 and 1,245.51

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Solution

The fourth proportional to 4,943.28, 7,414.65 and 1,245.51 is: 1,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.28 : 7,414.65 = 1,245.51 : x
  2. Step 2: Convert to fraction form
    4,943.28/7,414.65 = 1,245.51/x
  3. Step 3: Cross multiply
    4,943.28x = 7,414.65 × 1,245.51
  4. Step 4: Simplify right side
    4,943.28x = 9,235,020.72
  5. Step 5: Solve for x
    x = 9,235,020.72/4,943.28
  6. Step 6: Final answer
    x = 1,868.20

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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.