Home / 7,766.46-11,648.25-2,571.66

Finding the Fourth Proportional to 7,766.46, 11,648.25 and 2,571.66

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Solution

The fourth proportional to 7,766.46, 11,648.25 and 2,571.66 is: 3,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.46 : 11,648.25 = 2,571.66 : x
  2. Step 2: Convert to fraction form
    7,766.46/11,648.25 = 2,571.66/x
  3. Step 3: Cross multiply
    7,766.46x = 11,648.25 × 2,571.66
  4. Step 4: Simplify right side
    7,766.46x = 29,955,338.60
  5. Step 5: Solve for x
    x = 29,955,338.60/7,766.46
  6. Step 6: Final answer
    x = 3,857.01

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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.