Home / 7,576.20-11,364.90-2,645.70

Finding the Fourth Proportional to 7,576.20, 11,364.90 and 2,645.70

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Solution

The fourth proportional to 7,576.20, 11,364.90 and 2,645.70 is: 3,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.20 : 11,364.90 = 2,645.70 : x
  2. Step 2: Convert to fraction form
    7,576.20/11,364.90 = 2,645.70/x
  3. Step 3: Cross multiply
    7,576.20x = 11,364.90 × 2,645.70
  4. Step 4: Simplify right side
    7,576.20x = 30,068,115.93
  5. Step 5: Solve for x
    x = 30,068,115.93/7,576.20
  6. Step 6: Final answer
    x = 3,968.76

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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.