Home / 8,108.24-12,160.26-5,474.39

Finding the Fourth Proportional to 8,108.24, 12,160.26 and 5,474.39

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Solution

The fourth proportional to 8,108.24, 12,160.26 and 5,474.39 is: 8,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.24 : 12,160.26 = 5,474.39 : x
  2. Step 2: Convert to fraction form
    8,108.24/12,160.26 = 5,474.39/x
  3. Step 3: Cross multiply
    8,108.24x = 12,160.26 × 5,474.39
  4. Step 4: Simplify right side
    8,108.24x = 66,569,944.94
  5. Step 5: Solve for x
    x = 66,569,944.94/8,108.24
  6. Step 6: Final answer
    x = 8,210.16

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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.