Home / 6,778.18-10,154.58-3,996.55

Finding the Fourth Proportional to 6,778.18, 10,154.58 and 3,996.55

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Solution

The fourth proportional to 6,778.18, 10,154.58 and 3,996.55 is: 5,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.18 : 10,154.58 = 3,996.55 : x
  2. Step 2: Convert to fraction form
    6,778.18/10,154.58 = 3,996.55/x
  3. Step 3: Cross multiply
    6,778.18x = 10,154.58 × 3,996.55
  4. Step 4: Simplify right side
    6,778.18x = 40,583,286.70
  5. Step 5: Solve for x
    x = 40,583,286.70/6,778.18
  6. Step 6: Final answer
    x = 5,987.34

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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.