Home / 5,175.53-7,761.32-2,213.84

Finding the Fourth Proportional to 5,175.53, 7,761.32 and 2,213.84

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Solution

The fourth proportional to 5,175.53, 7,761.32 and 2,213.84 is: 3,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.53 : 7,761.32 = 2,213.84 : x
  2. Step 2: Convert to fraction form
    5,175.53/7,761.32 = 2,213.84/x
  3. Step 3: Cross multiply
    5,175.53x = 7,761.32 × 2,213.84
  4. Step 4: Simplify right side
    5,175.53x = 17,182,270.79
  5. Step 5: Solve for x
    x = 17,182,270.79/5,175.53
  6. Step 6: Final answer
    x = 3,319.91

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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.