Home / 7,707.22-11,566.91-3,958.85

Finding the Fourth Proportional to 7,707.22, 11,566.91 and 3,958.85

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Solution

The fourth proportional to 7,707.22, 11,566.91 and 3,958.85 is: 5,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.22 : 11,566.91 = 3,958.85 : x
  2. Step 2: Convert to fraction form
    7,707.22/11,566.91 = 3,958.85/x
  3. Step 3: Cross multiply
    7,707.22x = 11,566.91 × 3,958.85
  4. Step 4: Simplify right side
    7,707.22x = 45,791,584.02
  5. Step 5: Solve for x
    x = 45,791,584.02/7,707.22
  6. Step 6: Final answer
    x = 5,941.39

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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.