Home / 5,478.93-8,217.99-2,189.93

Finding the Fourth Proportional to 5,478.93, 8,217.99 and 2,189.93

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Solution

The fourth proportional to 5,478.93, 8,217.99 and 2,189.93 is: 3,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.93 : 8,217.99 = 2,189.93 : x
  2. Step 2: Convert to fraction form
    5,478.93/8,217.99 = 2,189.93/x
  3. Step 3: Cross multiply
    5,478.93x = 8,217.99 × 2,189.93
  4. Step 4: Simplify right side
    5,478.93x = 17,996,781.75
  5. Step 5: Solve for x
    x = 17,996,781.75/5,478.93
  6. Step 6: Final answer
    x = 3,284.73

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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.