Home / 5,175.05-7,140.62-2,937.02

Finding the Fourth Proportional to 5,175.05, 7,140.62 and 2,937.02

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Solution

The fourth proportional to 5,175.05, 7,140.62 and 2,937.02 is: 4,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.05 : 7,140.62 = 2,937.02 : x
  2. Step 2: Convert to fraction form
    5,175.05/7,140.62 = 2,937.02/x
  3. Step 3: Cross multiply
    5,175.05x = 7,140.62 × 2,937.02
  4. Step 4: Simplify right side
    5,175.05x = 20,972,115.39
  5. Step 5: Solve for x
    x = 20,972,115.39/5,175.05
  6. Step 6: Final answer
    x = 4,052.55

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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.