Home / 7,478.11-11,208.66-4,549.96

Finding the Fourth Proportional to 7,478.11, 11,208.66 and 4,549.96

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Solution

The fourth proportional to 7,478.11, 11,208.66 and 4,549.96 is: 6,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.11 : 11,208.66 = 4,549.96 : x
  2. Step 2: Convert to fraction form
    7,478.11/11,208.66 = 4,549.96/x
  3. Step 3: Cross multiply
    7,478.11x = 11,208.66 × 4,549.96
  4. Step 4: Simplify right side
    7,478.11x = 50,998,954.65
  5. Step 5: Solve for x
    x = 50,998,954.65/7,478.11
  6. Step 6: Final answer
    x = 6,819.77

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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.