Home / 7,486.38-11,226.11-2,219.49

Finding the Fourth Proportional to 7,486.38, 11,226.11 and 2,219.49

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Solution

The fourth proportional to 7,486.38, 11,226.11 and 2,219.49 is: 3,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.38 : 11,226.11 = 2,219.49 : x
  2. Step 2: Convert to fraction form
    7,486.38/11,226.11 = 2,219.49/x
  3. Step 3: Cross multiply
    7,486.38x = 11,226.11 × 2,219.49
  4. Step 4: Simplify right side
    7,486.38x = 24,916,227.79
  5. Step 5: Solve for x
    x = 24,916,227.79/7,486.38
  6. Step 6: Final answer
    x = 3,328.21

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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.