Home / 5,281.33-7,919.05-2,163.52

Finding the Fourth Proportional to 5,281.33, 7,919.05 and 2,163.52

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Solution

The fourth proportional to 5,281.33, 7,919.05 and 2,163.52 is: 3,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.33 : 7,919.05 = 2,163.52 : x
  2. Step 2: Convert to fraction form
    5,281.33/7,919.05 = 2,163.52/x
  3. Step 3: Cross multiply
    5,281.33x = 7,919.05 × 2,163.52
  4. Step 4: Simplify right side
    5,281.33x = 17,133,023.06
  5. Step 5: Solve for x
    x = 17,133,023.06/5,281.33
  6. Step 6: Final answer
    x = 3,244.07

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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.