Home / 5,100.28-7,657.50-2,636.92

Finding the Fourth Proportional to 5,100.28, 7,657.50 and 2,636.92

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Solution

The fourth proportional to 5,100.28, 7,657.50 and 2,636.92 is: 3,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.28 : 7,657.50 = 2,636.92 : x
  2. Step 2: Convert to fraction form
    5,100.28/7,657.50 = 2,636.92/x
  3. Step 3: Cross multiply
    5,100.28x = 7,657.50 × 2,636.92
  4. Step 4: Simplify right side
    5,100.28x = 20,192,214.90
  5. Step 5: Solve for x
    x = 20,192,214.90/5,100.28
  6. Step 6: Final answer
    x = 3,959.04

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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.