Home / 4,757.39-7,135.94-2,127.32

Finding the Fourth Proportional to 4,757.39, 7,135.94 and 2,127.32

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Solution

The fourth proportional to 4,757.39, 7,135.94 and 2,127.32 is: 3,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.39 : 7,135.94 = 2,127.32 : x
  2. Step 2: Convert to fraction form
    4,757.39/7,135.94 = 2,127.32/x
  3. Step 3: Cross multiply
    4,757.39x = 7,135.94 × 2,127.32
  4. Step 4: Simplify right side
    4,757.39x = 15,180,397.52
  5. Step 5: Solve for x
    x = 15,180,397.52/4,757.39
  6. Step 6: Final answer
    x = 3,190.91

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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.