Home / 7,391.04-11,086.28-2,196.78

Finding the Fourth Proportional to 7,391.04, 11,086.28 and 2,196.78

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Solution

The fourth proportional to 7,391.04, 11,086.28 and 2,196.78 is: 3,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.04 : 11,086.28 = 2,196.78 : x
  2. Step 2: Convert to fraction form
    7,391.04/11,086.28 = 2,196.78/x
  3. Step 3: Cross multiply
    7,391.04x = 11,086.28 × 2,196.78
  4. Step 4: Simplify right side
    7,391.04x = 24,354,118.18
  5. Step 5: Solve for x
    x = 24,354,118.18/7,391.04
  6. Step 6: Final answer
    x = 3,295.09

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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.