Home / 4,589.28-6,882.48-1,991.52

Finding the Fourth Proportional to 4,589.28, 6,882.48 and 1,991.52

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Solution

The fourth proportional to 4,589.28, 6,882.48 and 1,991.52 is: 2,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.28 : 6,882.48 = 1,991.52 : x
  2. Step 2: Convert to fraction form
    4,589.28/6,882.48 = 1,991.52/x
  3. Step 3: Cross multiply
    4,589.28x = 6,882.48 × 1,991.52
  4. Step 4: Simplify right side
    4,589.28x = 13,706,596.57
  5. Step 5: Solve for x
    x = 13,706,596.57/4,589.28
  6. Step 6: Final answer
    x = 2,986.66

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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.