Home / 7,403.92-11,105.60-2,209.66

Finding the Fourth Proportional to 7,403.92, 11,105.60 and 2,209.66

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Solution

The fourth proportional to 7,403.92, 11,105.60 and 2,209.66 is: 3,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.92 : 11,105.60 = 2,209.66 : x
  2. Step 2: Convert to fraction form
    7,403.92/11,105.60 = 2,209.66/x
  3. Step 3: Cross multiply
    7,403.92x = 11,105.60 × 2,209.66
  4. Step 4: Simplify right side
    7,403.92x = 24,539,600.10
  5. Step 5: Solve for x
    x = 24,539,600.10/7,403.92
  6. Step 6: Final answer
    x = 3,314.41

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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.