Home / 7,408.80-11,106.12-2,727.72

Finding the Fourth Proportional to 7,408.80, 11,106.12 and 2,727.72

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Solution

The fourth proportional to 7,408.80, 11,106.12 and 2,727.72 is: 4,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.80 : 11,106.12 = 2,727.72 : x
  2. Step 2: Convert to fraction form
    7,408.80/11,106.12 = 2,727.72/x
  3. Step 3: Cross multiply
    7,408.80x = 11,106.12 × 2,727.72
  4. Step 4: Simplify right side
    7,408.80x = 30,294,385.65
  5. Step 5: Solve for x
    x = 30,294,385.65/7,408.80
  6. Step 6: Final answer
    x = 4,088.97

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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.