Home / 7,790.42-11,687.48-2,243.63

Finding the Fourth Proportional to 7,790.42, 11,687.48 and 2,243.63

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Solution

The fourth proportional to 7,790.42, 11,687.48 and 2,243.63 is: 3,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.42 : 11,687.48 = 2,243.63 : x
  2. Step 2: Convert to fraction form
    7,790.42/11,687.48 = 2,243.63/x
  3. Step 3: Cross multiply
    7,790.42x = 11,687.48 × 2,243.63
  4. Step 4: Simplify right side
    7,790.42x = 26,222,311.10
  5. Step 5: Solve for x
    x = 26,222,311.10/7,790.42
  6. Step 6: Final answer
    x = 3,365.97

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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.