Home / 4,094.60-6,142.62-1,321.88

Finding the Fourth Proportional to 4,094.60, 6,142.62 and 1,321.88

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Solution

The fourth proportional to 4,094.60, 6,142.62 and 1,321.88 is: 1,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,094.60 : 6,142.62 = 1,321.88 : x
  2. Step 2: Convert to fraction form
    4,094.60/6,142.62 = 1,321.88/x
  3. Step 3: Cross multiply
    4,094.60x = 6,142.62 × 1,321.88
  4. Step 4: Simplify right side
    4,094.60x = 8,119,806.53
  5. Step 5: Solve for x
    x = 8,119,806.53/4,094.60
  6. Step 6: Final answer
    x = 1,983.05

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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.