Home / 5,180.28-7,763.47-2,836.76

Finding the Fourth Proportional to 5,180.28, 7,763.47 and 2,836.76

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Solution

The fourth proportional to 5,180.28, 7,763.47 and 2,836.76 is: 4,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.28 : 7,763.47 = 2,836.76 : x
  2. Step 2: Convert to fraction form
    5,180.28/7,763.47 = 2,836.76/x
  3. Step 3: Cross multiply
    5,180.28x = 7,763.47 × 2,836.76
  4. Step 4: Simplify right side
    5,180.28x = 22,023,101.16
  5. Step 5: Solve for x
    x = 22,023,101.16/5,180.28
  6. Step 6: Final answer
    x = 4,251.33

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1.5x scale

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.