Home / 7,401.12-11,101.56-2,206.80

Finding the Fourth Proportional to 7,401.12, 11,101.56 and 2,206.80

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Solution

The fourth proportional to 7,401.12, 11,101.56 and 2,206.80 is: 3,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.12 : 11,101.56 = 2,206.80 : x
  2. Step 2: Convert to fraction form
    7,401.12/11,101.56 = 2,206.80/x
  3. Step 3: Cross multiply
    7,401.12x = 11,101.56 × 2,206.80
  4. Step 4: Simplify right side
    7,401.12x = 24,498,922.61
  5. Step 5: Solve for x
    x = 24,498,922.61/7,401.12
  6. Step 6: Final answer
    x = 3,310.16

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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.