Home / 7,527.85-11,292.08-1,981.75

Finding the Fourth Proportional to 7,527.85, 11,292.08 and 1,981.75

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Solution

The fourth proportional to 7,527.85, 11,292.08 and 1,981.75 is: 2,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.85 : 11,292.08 = 1,981.75 : x
  2. Step 2: Convert to fraction form
    7,527.85/11,292.08 = 1,981.75/x
  3. Step 3: Cross multiply
    7,527.85x = 11,292.08 × 1,981.75
  4. Step 4: Simplify right side
    7,527.85x = 22,378,079.54
  5. Step 5: Solve for x
    x = 22,378,079.54/7,527.85
  6. Step 6: Final answer
    x = 2,972.71

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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.