Home / 4,175.28-5,755.86-3,387.96

Finding the Fourth Proportional to 4,175.28, 5,755.86 and 3,387.96

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Solution

The fourth proportional to 4,175.28, 5,755.86 and 3,387.96 is: 4,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.28 : 5,755.86 = 3,387.96 : x
  2. Step 2: Convert to fraction form
    4,175.28/5,755.86 = 3,387.96/x
  3. Step 3: Cross multiply
    4,175.28x = 5,755.86 × 3,387.96
  4. Step 4: Simplify right side
    4,175.28x = 19,500,623.45
  5. Step 5: Solve for x
    x = 19,500,623.45/4,175.28
  6. Step 6: Final answer
    x = 4,670.49

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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.