Home / 5,339.28-7,371.36-3,851.04

Finding the Fourth Proportional to 5,339.28, 7,371.36 and 3,851.04

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Solution

The fourth proportional to 5,339.28, 7,371.36 and 3,851.04 is: 5,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.28 : 7,371.36 = 3,851.04 : x
  2. Step 2: Convert to fraction form
    5,339.28/7,371.36 = 3,851.04/x
  3. Step 3: Cross multiply
    5,339.28x = 7,371.36 × 3,851.04
  4. Step 4: Simplify right side
    5,339.28x = 28,387,402.21
  5. Step 5: Solve for x
    x = 28,387,402.21/5,339.28
  6. Step 6: Final answer
    x = 5,316.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.