Home / 5,191.32-7,163.17-3,066.55

Finding the Fourth Proportional to 5,191.32, 7,163.17 and 3,066.55

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Solution

The fourth proportional to 5,191.32, 7,163.17 and 3,066.55 is: 4,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.32 : 7,163.17 = 3,066.55 : x
  2. Step 2: Convert to fraction form
    5,191.32/7,163.17 = 3,066.55/x
  3. Step 3: Cross multiply
    5,191.32x = 7,163.17 × 3,066.55
  4. Step 4: Simplify right side
    5,191.32x = 21,966,227.92
  5. Step 5: Solve for x
    x = 21,966,227.92/5,191.32
  6. Step 6: Final answer
    x = 4,231.34

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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.