Home / 4,854.28-7,282.50-1,391.56

Finding the Fourth Proportional to 4,854.28, 7,282.50 and 1,391.56

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Solution

The fourth proportional to 4,854.28, 7,282.50 and 1,391.56 is: 2,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.28 : 7,282.50 = 1,391.56 : x
  2. Step 2: Convert to fraction form
    4,854.28/7,282.50 = 1,391.56/x
  3. Step 3: Cross multiply
    4,854.28x = 7,282.50 × 1,391.56
  4. Step 4: Simplify right side
    4,854.28x = 10,134,035.70
  5. Step 5: Solve for x
    x = 10,134,035.70/4,854.28
  6. Step 6: Final answer
    x = 2,087.65

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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.