Home / 7,347.92-11,021.97-2,153.90

Finding the Fourth Proportional to 7,347.92, 11,021.97 and 2,153.90

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Solution

The fourth proportional to 7,347.92, 11,021.97 and 2,153.90 is: 3,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.92 : 11,021.97 = 2,153.90 : x
  2. Step 2: Convert to fraction form
    7,347.92/11,021.97 = 2,153.90/x
  3. Step 3: Cross multiply
    7,347.92x = 11,021.97 × 2,153.90
  4. Step 4: Simplify right side
    7,347.92x = 23,740,221.18
  5. Step 5: Solve for x
    x = 23,740,221.18/7,347.92
  6. Step 6: Final answer
    x = 3,230.88

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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.