Home / 7,791.27-11,686.91-2,597.15

Finding the Fourth Proportional to 7,791.27, 11,686.91 and 2,597.15

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Solution

The fourth proportional to 7,791.27, 11,686.91 and 2,597.15 is: 3,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.27 : 11,686.91 = 2,597.15 : x
  2. Step 2: Convert to fraction form
    7,791.27/11,686.91 = 2,597.15/x
  3. Step 3: Cross multiply
    7,791.27x = 11,686.91 × 2,597.15
  4. Step 4: Simplify right side
    7,791.27x = 30,352,586.89
  5. Step 5: Solve for x
    x = 30,352,586.89/7,791.27
  6. Step 6: Final answer
    x = 3,895.72

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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.