Home / 5,391.68-8,087.52-3,456.16

Finding the Fourth Proportional to 5,391.68, 8,087.52 and 3,456.16

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Solution

The fourth proportional to 5,391.68, 8,087.52 and 3,456.16 is: 5,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.68 : 8,087.52 = 3,456.16 : x
  2. Step 2: Convert to fraction form
    5,391.68/8,087.52 = 3,456.16/x
  3. Step 3: Cross multiply
    5,391.68x = 8,087.52 × 3,456.16
  4. Step 4: Simplify right side
    5,391.68x = 27,951,763.12
  5. Step 5: Solve for x
    x = 27,951,763.12/5,391.68
  6. Step 6: Final answer
    x = 5,184.24

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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.