Home / 8,197.80-11,301.50-6,933.78

Finding the Fourth Proportional to 8,197.80, 11,301.50 and 6,933.78

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Solution

The fourth proportional to 8,197.80, 11,301.50 and 6,933.78 is: 9,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.80 : 11,301.50 = 6,933.78 : x
  2. Step 2: Convert to fraction form
    8,197.80/11,301.50 = 6,933.78/x
  3. Step 3: Cross multiply
    8,197.80x = 11,301.50 × 6,933.78
  4. Step 4: Simplify right side
    8,197.80x = 78,362,114.67
  5. Step 5: Solve for x
    x = 78,362,114.67/8,197.80
  6. Step 6: Final answer
    x = 9,558.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.