Home / 8,780.16-13,168.44-3,847.08

Finding the Fourth Proportional to 8,780.16, 13,168.44 and 3,847.08

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Solution

The fourth proportional to 8,780.16, 13,168.44 and 3,847.08 is: 5,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.16 : 13,168.44 = 3,847.08 : x
  2. Step 2: Convert to fraction form
    8,780.16/13,168.44 = 3,847.08/x
  3. Step 3: Cross multiply
    8,780.16x = 13,168.44 × 3,847.08
  4. Step 4: Simplify right side
    8,780.16x = 50,660,042.16
  5. Step 5: Solve for x
    x = 50,660,042.16/8,780.16
  6. Step 6: Final answer
    x = 5,769.83

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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.