Home / 5,127.08-7,105.10-5,028.66

Finding the Fourth Proportional to 5,127.08, 7,105.10 and 5,028.66

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Solution

The fourth proportional to 5,127.08, 7,105.10 and 5,028.66 is: 6,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.08 : 7,105.10 = 5,028.66 : x
  2. Step 2: Convert to fraction form
    5,127.08/7,105.10 = 5,028.66/x
  3. Step 3: Cross multiply
    5,127.08x = 7,105.10 × 5,028.66
  4. Step 4: Simplify right side
    5,127.08x = 35,729,107.02
  5. Step 5: Solve for x
    x = 35,729,107.02/5,127.08
  6. Step 6: Final answer
    x = 6,968.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.