Home / 5,693.75-7,857.60-3,175.88

Finding the Fourth Proportional to 5,693.75, 7,857.60 and 3,175.88

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Solution

The fourth proportional to 5,693.75, 7,857.60 and 3,175.88 is: 4,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.75 : 7,857.60 = 3,175.88 : x
  2. Step 2: Convert to fraction form
    5,693.75/7,857.60 = 3,175.88/x
  3. Step 3: Cross multiply
    5,693.75x = 7,857.60 × 3,175.88
  4. Step 4: Simplify right side
    5,693.75x = 24,954,794.69
  5. Step 5: Solve for x
    x = 24,954,794.69/5,693.75
  6. Step 6: Final answer
    x = 4,382.84

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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.