Home / 7,722.80-11,586.35-3,039.92

Finding the Fourth Proportional to 7,722.80, 11,586.35 and 3,039.92

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Solution

The fourth proportional to 7,722.80, 11,586.35 and 3,039.92 is: 4,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.80 : 11,586.35 = 3,039.92 : x
  2. Step 2: Convert to fraction form
    7,722.80/11,586.35 = 3,039.92/x
  3. Step 3: Cross multiply
    7,722.80x = 11,586.35 × 3,039.92
  4. Step 4: Simplify right side
    7,722.80x = 35,221,526.76
  5. Step 5: Solve for x
    x = 35,221,526.76/7,722.80
  6. Step 6: Final answer
    x = 4,560.72

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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.