Home / 6,841.28-10,255.32-3,761.12

Finding the Fourth Proportional to 6,841.28, 10,255.32 and 3,761.12

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Solution

The fourth proportional to 6,841.28, 10,255.32 and 3,761.12 is: 5,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.28 : 10,255.32 = 3,761.12 : x
  2. Step 2: Convert to fraction form
    6,841.28/10,255.32 = 3,761.12/x
  3. Step 3: Cross multiply
    6,841.28x = 10,255.32 × 3,761.12
  4. Step 4: Simplify right side
    6,841.28x = 38,571,489.16
  5. Step 5: Solve for x
    x = 38,571,489.16/6,841.28
  6. Step 6: Final answer
    x = 5,638.05

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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.