Home / 7,686.73-11,527.93-2,138.83

Finding the Fourth Proportional to 7,686.73, 11,527.93 and 2,138.83

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Solution

The fourth proportional to 7,686.73, 11,527.93 and 2,138.83 is: 3,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.73 : 11,527.93 = 2,138.83 : x
  2. Step 2: Convert to fraction form
    7,686.73/11,527.93 = 2,138.83/x
  3. Step 3: Cross multiply
    7,686.73x = 11,527.93 × 2,138.83
  4. Step 4: Simplify right side
    7,686.73x = 24,656,282.52
  5. Step 5: Solve for x
    x = 24,656,282.52/7,686.73
  6. Step 6: Final answer
    x = 3,207.64

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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.