Home / 7,760.50-11,641.85-2,493.75

Finding the Fourth Proportional to 7,760.50, 11,641.85 and 2,493.75

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Solution

The fourth proportional to 7,760.50, 11,641.85 and 2,493.75 is: 3,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.50 : 11,641.85 = 2,493.75 : x
  2. Step 2: Convert to fraction form
    7,760.50/11,641.85 = 2,493.75/x
  3. Step 3: Cross multiply
    7,760.50x = 11,641.85 × 2,493.75
  4. Step 4: Simplify right side
    7,760.50x = 29,031,863.44
  5. Step 5: Solve for x
    x = 29,031,863.44/7,760.50
  6. Step 6: Final answer
    x = 3,740.98

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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.