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Finding the Fourth Proportional to 6,508.80, 9,763.84 and 2,126.08

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Solution

The fourth proportional to 6,508.80, 9,763.84 and 2,126.08 is: 3,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508.80 : 9,763.84 = 2,126.08 : x
  2. Step 2: Convert to fraction form
    6,508.80/9,763.84 = 2,126.08/x
  3. Step 3: Cross multiply
    6,508.80x = 9,763.84 × 2,126.08
  4. Step 4: Simplify right side
    6,508.80x = 20,758,704.95
  5. Step 5: Solve for x
    x = 20,758,704.95/6,508.80
  6. Step 6: Final answer
    x = 3,189.33

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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.