Home / 5,175.62-7,141.75-2,937.05

Finding the Fourth Proportional to 5,175.62, 7,141.75 and 2,937.05

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Solution

The fourth proportional to 5,175.62, 7,141.75 and 2,937.05 is: 4,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.62 : 7,141.75 = 2,937.05 : x
  2. Step 2: Convert to fraction form
    5,175.62/7,141.75 = 2,937.05/x
  3. Step 3: Cross multiply
    5,175.62x = 7,141.75 × 2,937.05
  4. Step 4: Simplify right side
    5,175.62x = 20,975,641.13
  5. Step 5: Solve for x
    x = 20,975,641.13/5,175.62
  6. Step 6: Final answer
    x = 4,052.78

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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.