Home / 7,339.30-11,006.11-4,221.61

Finding the Fourth Proportional to 7,339.30, 11,006.11 and 4,221.61

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Solution

The fourth proportional to 7,339.30, 11,006.11 and 4,221.61 is: 6,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.30 : 11,006.11 = 4,221.61 : x
  2. Step 2: Convert to fraction form
    7,339.30/11,006.11 = 4,221.61/x
  3. Step 3: Cross multiply
    7,339.30x = 11,006.11 × 4,221.61
  4. Step 4: Simplify right side
    7,339.30x = 46,463,504.04
  5. Step 5: Solve for x
    x = 46,463,504.04/7,339.30
  6. Step 6: Final answer
    x = 6,330.78

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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.