Home / 6,108.28-8,428.35-3,751.18

Finding the Fourth Proportional to 6,108.28, 8,428.35 and 3,751.18

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Solution

The fourth proportional to 6,108.28, 8,428.35 and 3,751.18 is: 5,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.28 : 8,428.35 = 3,751.18 : x
  2. Step 2: Convert to fraction form
    6,108.28/8,428.35 = 3,751.18/x
  3. Step 3: Cross multiply
    6,108.28x = 8,428.35 × 3,751.18
  4. Step 4: Simplify right side
    6,108.28x = 31,616,250.95
  5. Step 5: Solve for x
    x = 31,616,250.95/6,108.28
  6. Step 6: Final answer
    x = 5,175.97

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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.