Home / 5,169.11-7,134.68-2,932.32

Finding the Fourth Proportional to 5,169.11, 7,134.68 and 2,932.32

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Solution

The fourth proportional to 5,169.11, 7,134.68 and 2,932.32 is: 4,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.11 : 7,134.68 = 2,932.32 : x
  2. Step 2: Convert to fraction form
    5,169.11/7,134.68 = 2,932.32/x
  3. Step 3: Cross multiply
    5,169.11x = 7,134.68 × 2,932.32
  4. Step 4: Simplify right side
    5,169.11x = 20,921,172.19
  5. Step 5: Solve for x
    x = 20,921,172.19/5,169.11
  6. Step 6: Final answer
    x = 4,047.34

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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.