Home / 8,156.24-12,235.25-2,608.28

Finding the Fourth Proportional to 8,156.24, 12,235.25 and 2,608.28

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Solution

The fourth proportional to 8,156.24, 12,235.25 and 2,608.28 is: 3,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.24 : 12,235.25 = 2,608.28 : x
  2. Step 2: Convert to fraction form
    8,156.24/12,235.25 = 2,608.28/x
  3. Step 3: Cross multiply
    8,156.24x = 12,235.25 × 2,608.28
  4. Step 4: Simplify right side
    8,156.24x = 31,912,949.10
  5. Step 5: Solve for x
    x = 31,912,949.10/8,156.24
  6. Step 6: Final answer
    x = 3,912.70

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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.