Home / 5,098.28-7,035.56-2,860.72

Finding the Fourth Proportional to 5,098.28, 7,035.56 and 2,860.72

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Solution

The fourth proportional to 5,098.28, 7,035.56 and 2,860.72 is: 3,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.28 : 7,035.56 = 2,860.72 : x
  2. Step 2: Convert to fraction form
    5,098.28/7,035.56 = 2,860.72/x
  3. Step 3: Cross multiply
    5,098.28x = 7,035.56 × 2,860.72
  4. Step 4: Simplify right side
    5,098.28x = 20,126,767.20
  5. Step 5: Solve for x
    x = 20,126,767.20/5,098.28
  6. Step 6: Final answer
    x = 3,947.76

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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.