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Finding the Fourth Proportional to 6,773.20, 10,159.80 and 2,390.80

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Solution

The fourth proportional to 6,773.20, 10,159.80 and 2,390.80 is: 3,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,773.20 : 10,159.80 = 2,390.80 : x
  2. Step 2: Convert to fraction form
    6,773.20/10,159.80 = 2,390.80/x
  3. Step 3: Cross multiply
    6,773.20x = 10,159.80 × 2,390.80
  4. Step 4: Simplify right side
    6,773.20x = 24,290,049.84
  5. Step 5: Solve for x
    x = 24,290,049.84/6,773.20
  6. Step 6: Final answer
    x = 3,586.20

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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.