Home / 4,851.38-7,276.92-1,388.64

Finding the Fourth Proportional to 4,851.38, 7,276.92 and 1,388.64

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Solution

The fourth proportional to 4,851.38, 7,276.92 and 1,388.64 is: 2,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.38 : 7,276.92 = 1,388.64 : x
  2. Step 2: Convert to fraction form
    4,851.38/7,276.92 = 1,388.64/x
  3. Step 3: Cross multiply
    4,851.38x = 7,276.92 × 1,388.64
  4. Step 4: Simplify right side
    4,851.38x = 10,105,022.19
  5. Step 5: Solve for x
    x = 10,105,022.19/4,851.38
  6. Step 6: Final answer
    x = 2,082.92

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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.