Home / 5,584.52-8,376.42-2,121.68

Finding the Fourth Proportional to 5,584.52, 8,376.42 and 2,121.68

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Solution

The fourth proportional to 5,584.52, 8,376.42 and 2,121.68 is: 3,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.52 : 8,376.42 = 2,121.68 : x
  2. Step 2: Convert to fraction form
    5,584.52/8,376.42 = 2,121.68/x
  3. Step 3: Cross multiply
    5,584.52x = 8,376.42 × 2,121.68
  4. Step 4: Simplify right side
    5,584.52x = 17,772,082.79
  5. Step 5: Solve for x
    x = 17,772,082.79/5,584.52
  6. Step 6: Final answer
    x = 3,182.38

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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.