Home / 5,101.44-7,651.26-1,402.78

Finding the Fourth Proportional to 5,101.44, 7,651.26 and 1,402.78

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Solution

The fourth proportional to 5,101.44, 7,651.26 and 1,402.78 is: 2,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.44 : 7,651.26 = 1,402.78 : x
  2. Step 2: Convert to fraction form
    5,101.44/7,651.26 = 1,402.78/x
  3. Step 3: Cross multiply
    5,101.44x = 7,651.26 × 1,402.78
  4. Step 4: Simplify right side
    5,101.44x = 10,733,008.20
  5. Step 5: Solve for x
    x = 10,733,008.20/5,101.44
  6. Step 6: Final answer
    x = 2,103.92

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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.