Home / 4,850.16-7,275.24-1,387.92

Finding the Fourth Proportional to 4,850.16, 7,275.24 and 1,387.92

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Solution

The fourth proportional to 4,850.16, 7,275.24 and 1,387.92 is: 2,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.16 : 7,275.24 = 1,387.92 : x
  2. Step 2: Convert to fraction form
    4,850.16/7,275.24 = 1,387.92/x
  3. Step 3: Cross multiply
    4,850.16x = 7,275.24 × 1,387.92
  4. Step 4: Simplify right side
    4,850.16x = 10,097,451.10
  5. Step 5: Solve for x
    x = 10,097,451.10/4,850.16
  6. Step 6: Final answer
    x = 2,081.88

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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.