Home / 7,684.80-11,527.22-2,687.23

Finding the Fourth Proportional to 7,684.80, 11,527.22 and 2,687.23

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Solution

The fourth proportional to 7,684.80, 11,527.22 and 2,687.23 is: 4,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.80 : 11,527.22 = 2,687.23 : x
  2. Step 2: Convert to fraction form
    7,684.80/11,527.22 = 2,687.23/x
  3. Step 3: Cross multiply
    7,684.80x = 11,527.22 × 2,687.23
  4. Step 4: Simplify right side
    7,684.80x = 30,976,291.40
  5. Step 5: Solve for x
    x = 30,976,291.40/7,684.80
  6. Step 6: Final answer
    x = 4,030.85

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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.