Home / 5,246.13-7,869.16-2,126.09

Finding the Fourth Proportional to 5,246.13, 7,869.16 and 2,126.09

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Solution

The fourth proportional to 5,246.13, 7,869.16 and 2,126.09 is: 3,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.13 : 7,869.16 = 2,126.09 : x
  2. Step 2: Convert to fraction form
    5,246.13/7,869.16 = 2,126.09/x
  3. Step 3: Cross multiply
    5,246.13x = 7,869.16 × 2,126.09
  4. Step 4: Simplify right side
    5,246.13x = 16,730,542.38
  5. Step 5: Solve for x
    x = 16,730,542.38/5,246.13
  6. Step 6: Final answer
    x = 3,189.12

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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.