Home / 5,822.07-8,727.69-2,121.60

Finding the Fourth Proportional to 5,822.07, 8,727.69 and 2,121.60

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Solution

The fourth proportional to 5,822.07, 8,727.69 and 2,121.60 is: 3,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,822.07 : 8,727.69 = 2,121.60 : x
  2. Step 2: Convert to fraction form
    5,822.07/8,727.69 = 2,121.60/x
  3. Step 3: Cross multiply
    5,822.07x = 8,727.69 × 2,121.60
  4. Step 4: Simplify right side
    5,822.07x = 18,516,667.10
  5. Step 5: Solve for x
    x = 18,516,667.10/5,822.07
  6. Step 6: Final answer
    x = 3,180.43

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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.