Home / 7,750.80-11,606.76-4,039.92

Finding the Fourth Proportional to 7,750.80, 11,606.76 and 4,039.92

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Solution

The fourth proportional to 7,750.80, 11,606.76 and 4,039.92 is: 6,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.80 : 11,606.76 = 4,039.92 : x
  2. Step 2: Convert to fraction form
    7,750.80/11,606.76 = 4,039.92/x
  3. Step 3: Cross multiply
    7,750.80x = 11,606.76 × 4,039.92
  4. Step 4: Simplify right side
    7,750.80x = 46,890,381.86
  5. Step 5: Solve for x
    x = 46,890,381.86/7,750.80
  6. Step 6: Final answer
    x = 6,049.75

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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.