Home / 4,850.28-7,275.49-1,387.53

Finding the Fourth Proportional to 4,850.28, 7,275.49 and 1,387.53

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Solution

The fourth proportional to 4,850.28, 7,275.49 and 1,387.53 is: 2,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.28 : 7,275.49 = 1,387.53 : x
  2. Step 2: Convert to fraction form
    4,850.28/7,275.49 = 1,387.53/x
  3. Step 3: Cross multiply
    4,850.28x = 7,275.49 × 1,387.53
  4. Step 4: Simplify right side
    4,850.28x = 10,094,957.17
  5. Step 5: Solve for x
    x = 10,094,957.17/4,850.28
  6. Step 6: Final answer
    x = 2,081.31

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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.