Home / 5,110.52-7,052.28-2,841.78

Finding the Fourth Proportional to 5,110.52, 7,052.28 and 2,841.78

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Solution

The fourth proportional to 5,110.52, 7,052.28 and 2,841.78 is: 3,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.52 : 7,052.28 = 2,841.78 : x
  2. Step 2: Convert to fraction form
    5,110.52/7,052.28 = 2,841.78/x
  3. Step 3: Cross multiply
    5,110.52x = 7,052.28 × 2,841.78
  4. Step 4: Simplify right side
    5,110.52x = 20,041,028.26
  5. Step 5: Solve for x
    x = 20,041,028.26/5,110.52
  6. Step 6: Final answer
    x = 3,921.52

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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.