Home / 8,816.80-12,169.32-5,282.08

Finding the Fourth Proportional to 8,816.80, 12,169.32 and 5,282.08

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Solution

The fourth proportional to 8,816.80, 12,169.32 and 5,282.08 is: 7,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.80 : 12,169.32 = 5,282.08 : x
  2. Step 2: Convert to fraction form
    8,816.80/12,169.32 = 5,282.08/x
  3. Step 3: Cross multiply
    8,816.80x = 12,169.32 × 5,282.08
  4. Step 4: Simplify right side
    8,816.80x = 64,279,321.79
  5. Step 5: Solve for x
    x = 64,279,321.79/8,816.80
  6. Step 6: Final answer
    x = 7,290.55

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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.