Home / 5,081.28-7,625.16-2,160.96

Finding the Fourth Proportional to 5,081.28, 7,625.16 and 2,160.96

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Solution

The fourth proportional to 5,081.28, 7,625.16 and 2,160.96 is: 3,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.28 : 7,625.16 = 2,160.96 : x
  2. Step 2: Convert to fraction form
    5,081.28/7,625.16 = 2,160.96/x
  3. Step 3: Cross multiply
    5,081.28x = 7,625.16 × 2,160.96
  4. Step 4: Simplify right side
    5,081.28x = 16,477,665.75
  5. Step 5: Solve for x
    x = 16,477,665.75/5,081.28
  6. Step 6: Final answer
    x = 3,242.82

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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.