Home / 8,982.72-13,474.08-2,742.48

Finding the Fourth Proportional to 8,982.72, 13,474.08 and 2,742.48

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Solution

The fourth proportional to 8,982.72, 13,474.08 and 2,742.48 is: 4,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.72 : 13,474.08 = 2,742.48 : x
  2. Step 2: Convert to fraction form
    8,982.72/13,474.08 = 2,742.48/x
  3. Step 3: Cross multiply
    8,982.72x = 13,474.08 × 2,742.48
  4. Step 4: Simplify right side
    8,982.72x = 36,952,394.92
  5. Step 5: Solve for x
    x = 36,952,394.92/8,982.72
  6. Step 6: Final answer
    x = 4,113.72

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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.