Home / 4,854.28-7,281.50-1,391.53

Finding the Fourth Proportional to 4,854.28, 7,281.50 and 1,391.53

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Solution

The fourth proportional to 4,854.28, 7,281.50 and 1,391.53 is: 2,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.28 : 7,281.50 = 1,391.53 : x
  2. Step 2: Convert to fraction form
    4,854.28/7,281.50 = 1,391.53/x
  3. Step 3: Cross multiply
    4,854.28x = 7,281.50 × 1,391.53
  4. Step 4: Simplify right side
    4,854.28x = 10,132,425.70
  5. Step 5: Solve for x
    x = 10,132,425.70/4,854.28
  6. Step 6: Final answer
    x = 2,087.32

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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.