Home / 7,860.68-11,791.38-2,596.15

Finding the Fourth Proportional to 7,860.68, 11,791.38 and 2,596.15

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Solution

The fourth proportional to 7,860.68, 11,791.38 and 2,596.15 is: 3,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.68 : 11,791.38 = 2,596.15 : x
  2. Step 2: Convert to fraction form
    7,860.68/11,791.38 = 2,596.15/x
  3. Step 3: Cross multiply
    7,860.68x = 11,791.38 × 2,596.15
  4. Step 4: Simplify right side
    7,860.68x = 30,612,191.19
  5. Step 5: Solve for x
    x = 30,612,191.19/7,860.68
  6. Step 6: Final answer
    x = 3,894.34

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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.