Home / 4,127.52-6,213.60-3,770.40

Finding the Fourth Proportional to 4,127.52, 6,213.60 and 3,770.40

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Solution

The fourth proportional to 4,127.52, 6,213.60 and 3,770.40 is: 5,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.52 : 6,213.60 = 3,770.40 : x
  2. Step 2: Convert to fraction form
    4,127.52/6,213.60 = 3,770.40/x
  3. Step 3: Cross multiply
    4,127.52x = 6,213.60 × 3,770.40
  4. Step 4: Simplify right side
    4,127.52x = 23,427,757.44
  5. Step 5: Solve for x
    x = 23,427,757.44/4,127.52
  6. Step 6: Final answer
    x = 5,675.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.