Home / 5,686.62-7,847.30-3,168.60

Finding the Fourth Proportional to 5,686.62, 7,847.30 and 3,168.60

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Solution

The fourth proportional to 5,686.62, 7,847.30 and 3,168.60 is: 4,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.62 : 7,847.30 = 3,168.60 : x
  2. Step 2: Convert to fraction form
    5,686.62/7,847.30 = 3,168.60/x
  3. Step 3: Cross multiply
    5,686.62x = 7,847.30 × 3,168.60
  4. Step 4: Simplify right side
    5,686.62x = 24,864,954.78
  5. Step 5: Solve for x
    x = 24,864,954.78/5,686.62
  6. Step 6: Final answer
    x = 4,372.54

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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.