Home / 6,502.20-9,753.30-2,120.10

Finding the Fourth Proportional to 6,502.20, 9,753.30 and 2,120.10

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Solution

The fourth proportional to 6,502.20, 9,753.30 and 2,120.10 is: 3,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.20 : 9,753.30 = 2,120.10 : x
  2. Step 2: Convert to fraction form
    6,502.20/9,753.30 = 2,120.10/x
  3. Step 3: Cross multiply
    6,502.20x = 9,753.30 × 2,120.10
  4. Step 4: Simplify right side
    6,502.20x = 20,677,971.33
  5. Step 5: Solve for x
    x = 20,677,971.33/6,502.20
  6. Step 6: Final answer
    x = 3,180.15

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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.