Home / 4,486.38-6,731.10-2,147.10

Finding the Fourth Proportional to 4,486.38, 6,731.10 and 2,147.10

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Solution

The fourth proportional to 4,486.38, 6,731.10 and 2,147.10 is: 3,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.38 : 6,731.10 = 2,147.10 : x
  2. Step 2: Convert to fraction form
    4,486.38/6,731.10 = 2,147.10/x
  3. Step 3: Cross multiply
    4,486.38x = 6,731.10 × 2,147.10
  4. Step 4: Simplify right side
    4,486.38x = 14,452,344.81
  5. Step 5: Solve for x
    x = 14,452,344.81/4,486.38
  6. Step 6: Final answer
    x = 3,221.38

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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.