Home / 8,743.30-13,114.35-2,820.10

Finding the Fourth Proportional to 8,743.30, 13,114.35 and 2,820.10

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Solution

The fourth proportional to 8,743.30, 13,114.35 and 2,820.10 is: 4,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.30 : 13,114.35 = 2,820.10 : x
  2. Step 2: Convert to fraction form
    8,743.30/13,114.35 = 2,820.10/x
  3. Step 3: Cross multiply
    8,743.30x = 13,114.35 × 2,820.10
  4. Step 4: Simplify right side
    8,743.30x = 36,983,778.44
  5. Step 5: Solve for x
    x = 36,983,778.44/8,743.30
  6. Step 6: Final answer
    x = 4,229.96

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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.