Home / 4,395.62-6,589.71-1,928.57

Finding the Fourth Proportional to 4,395.62, 6,589.71 and 1,928.57

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Solution

The fourth proportional to 4,395.62, 6,589.71 and 1,928.57 is: 2,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.62 : 6,589.71 = 1,928.57 : x
  2. Step 2: Convert to fraction form
    4,395.62/6,589.71 = 1,928.57/x
  3. Step 3: Cross multiply
    4,395.62x = 6,589.71 × 1,928.57
  4. Step 4: Simplify right side
    4,395.62x = 12,708,717.01
  5. Step 5: Solve for x
    x = 12,708,717.01/4,395.62
  6. Step 6: Final answer
    x = 2,891.22

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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.