Home / 6,771.60-10,157.04-2,387.88

Finding the Fourth Proportional to 6,771.60, 10,157.04 and 2,387.88

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Solution

The fourth proportional to 6,771.60, 10,157.04 and 2,387.88 is: 3,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.60 : 10,157.04 = 2,387.88 : x
  2. Step 2: Convert to fraction form
    6,771.60/10,157.04 = 2,387.88/x
  3. Step 3: Cross multiply
    6,771.60x = 10,157.04 × 2,387.88
  4. Step 4: Simplify right side
    6,771.60x = 24,253,792.68
  5. Step 5: Solve for x
    x = 24,253,792.68/6,771.60
  6. Step 6: Final answer
    x = 3,581.69

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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.