Home / 7,686.31-11,527.62-3,523.72

Finding the Fourth Proportional to 7,686.31, 11,527.62 and 3,523.72

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Solution

The fourth proportional to 7,686.31, 11,527.62 and 3,523.72 is: 5,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.31 : 11,527.62 = 3,523.72 : x
  2. Step 2: Convert to fraction form
    7,686.31/11,527.62 = 3,523.72/x
  3. Step 3: Cross multiply
    7,686.31x = 11,527.62 × 3,523.72
  4. Step 4: Simplify right side
    7,686.31x = 40,620,105.15
  5. Step 5: Solve for x
    x = 40,620,105.15/7,686.31
  6. Step 6: Final answer
    x = 5,284.73

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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.