Home / 7,207.78-10,811.61-2,277.42

Finding the Fourth Proportional to 7,207.78, 10,811.61 and 2,277.42

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Solution

The fourth proportional to 7,207.78, 10,811.61 and 2,277.42 is: 3,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.78 : 10,811.61 = 2,277.42 : x
  2. Step 2: Convert to fraction form
    7,207.78/10,811.61 = 2,277.42/x
  3. Step 3: Cross multiply
    7,207.78x = 10,811.61 × 2,277.42
  4. Step 4: Simplify right side
    7,207.78x = 24,622,597.12
  5. Step 5: Solve for x
    x = 24,622,597.12/7,207.78
  6. Step 6: Final answer
    x = 3,416.11

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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.