Home / 6,680.88-10,020.12-2,000.76

Finding the Fourth Proportional to 6,680.88, 10,020.12 and 2,000.76

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Solution

The fourth proportional to 6,680.88, 10,020.12 and 2,000.76 is: 3,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.88 : 10,020.12 = 2,000.76 : x
  2. Step 2: Convert to fraction form
    6,680.88/10,020.12 = 2,000.76/x
  3. Step 3: Cross multiply
    6,680.88x = 10,020.12 × 2,000.76
  4. Step 4: Simplify right side
    6,680.88x = 20,047,855.29
  5. Step 5: Solve for x
    x = 20,047,855.29/6,680.88
  6. Step 6: Final answer
    x = 3,000.78

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1.5x scale

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.