Home / 8,098.80-11,168.92-5,305.84

Finding the Fourth Proportional to 8,098.80, 11,168.92 and 5,305.84

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Solution

The fourth proportional to 8,098.80, 11,168.92 and 5,305.84 is: 7,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.80 : 11,168.92 = 5,305.84 : x
  2. Step 2: Convert to fraction form
    8,098.80/11,168.92 = 5,305.84/x
  3. Step 3: Cross multiply
    8,098.80x = 11,168.92 × 5,305.84
  4. Step 4: Simplify right side
    8,098.80x = 59,260,502.49
  5. Step 5: Solve for x
    x = 59,260,502.49/8,098.80
  6. Step 6: Final answer
    x = 7,317.20

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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.