Home / 7,749.68-11,624.16-3,135.92

Finding the Fourth Proportional to 7,749.68, 11,624.16 and 3,135.92

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Solution

The fourth proportional to 7,749.68, 11,624.16 and 3,135.92 is: 4,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.68 : 11,624.16 = 3,135.92 : x
  2. Step 2: Convert to fraction form
    7,749.68/11,624.16 = 3,135.92/x
  3. Step 3: Cross multiply
    7,749.68x = 11,624.16 × 3,135.92
  4. Step 4: Simplify right side
    7,749.68x = 36,452,435.83
  5. Step 5: Solve for x
    x = 36,452,435.83/7,749.68
  6. Step 6: Final answer
    x = 4,703.73

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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.