Home / 8,267.22-12,402.69-2,721.12

Finding the Fourth Proportional to 8,267.22, 12,402.69 and 2,721.12

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Solution

The fourth proportional to 8,267.22, 12,402.69 and 2,721.12 is: 4,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.22 : 12,402.69 = 2,721.12 : x
  2. Step 2: Convert to fraction form
    8,267.22/12,402.69 = 2,721.12/x
  3. Step 3: Cross multiply
    8,267.22x = 12,402.69 × 2,721.12
  4. Step 4: Simplify right side
    8,267.22x = 33,749,207.81
  5. Step 5: Solve for x
    x = 33,749,207.81/8,267.22
  6. Step 6: Final answer
    x = 4,082.29

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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.