Home / 7,177.24-10,770.78-2,794.72

Finding the Fourth Proportional to 7,177.24, 10,770.78 and 2,794.72

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Solution

The fourth proportional to 7,177.24, 10,770.78 and 2,794.72 is: 4,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.24 : 10,770.78 = 2,794.72 : x
  2. Step 2: Convert to fraction form
    7,177.24/10,770.78 = 2,794.72/x
  3. Step 3: Cross multiply
    7,177.24x = 10,770.78 × 2,794.72
  4. Step 4: Simplify right side
    7,177.24x = 30,101,314.28
  5. Step 5: Solve for x
    x = 30,101,314.28/7,177.24
  6. Step 6: Final answer
    x = 4,194.00

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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.