Home / 8,377.80-12,556.92-6,166.05

Finding the Fourth Proportional to 8,377.80, 12,556.92 and 6,166.05

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Solution

The fourth proportional to 8,377.80, 12,556.92 and 6,166.05 is: 9,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.80 : 12,556.92 = 6,166.05 : x
  2. Step 2: Convert to fraction form
    8,377.80/12,556.92 = 6,166.05/x
  3. Step 3: Cross multiply
    8,377.80x = 12,556.92 × 6,166.05
  4. Step 4: Simplify right side
    8,377.80x = 77,426,596.57
  5. Step 5: Solve for x
    x = 77,426,596.57/8,377.80
  6. Step 6: Final answer
    x = 9,241.88

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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.