Home / 7,847.18-11,770.76-2,003.79

Finding the Fourth Proportional to 7,847.18, 11,770.76 and 2,003.79

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Solution

The fourth proportional to 7,847.18, 11,770.76 and 2,003.79 is: 3,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.18 : 11,770.76 = 2,003.79 : x
  2. Step 2: Convert to fraction form
    7,847.18/11,770.76 = 2,003.79/x
  3. Step 3: Cross multiply
    7,847.18x = 11,770.76 × 2,003.79
  4. Step 4: Simplify right side
    7,847.18x = 23,586,131.18
  5. Step 5: Solve for x
    x = 23,586,131.18/7,847.18
  6. Step 6: Final answer
    x = 3,005.68

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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.