Home / 7,861.19-11,793.80-2,314.31

Finding the Fourth Proportional to 7,861.19, 11,793.80 and 2,314.31

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Solution

The fourth proportional to 7,861.19, 11,793.80 and 2,314.31 is: 3,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.19 : 11,793.80 = 2,314.31 : x
  2. Step 2: Convert to fraction form
    7,861.19/11,793.80 = 2,314.31/x
  3. Step 3: Cross multiply
    7,861.19x = 11,793.80 × 2,314.31
  4. Step 4: Simplify right side
    7,861.19x = 27,294,456.09
  5. Step 5: Solve for x
    x = 27,294,456.09/7,861.19
  6. Step 6: Final answer
    x = 3,472.05

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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.