Home / 5,175.76-7,753.56-3,091.36

Finding the Fourth Proportional to 5,175.76, 7,753.56 and 3,091.36

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Solution

The fourth proportional to 5,175.76, 7,753.56 and 3,091.36 is: 4,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.76 : 7,753.56 = 3,091.36 : x
  2. Step 2: Convert to fraction form
    5,175.76/7,753.56 = 3,091.36/x
  3. Step 3: Cross multiply
    5,175.76x = 7,753.56 × 3,091.36
  4. Step 4: Simplify right side
    5,175.76x = 23,969,045.24
  5. Step 5: Solve for x
    x = 23,969,045.24/5,175.76
  6. Step 6: Final answer
    x = 4,631.02

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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.