Home / 5,711.05-8,564.93-2,200.78

Finding the Fourth Proportional to 5,711.05, 8,564.93 and 2,200.78

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Solution

The fourth proportional to 5,711.05, 8,564.93 and 2,200.78 is: 3,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.05 : 8,564.93 = 2,200.78 : x
  2. Step 2: Convert to fraction form
    5,711.05/8,564.93 = 2,200.78/x
  3. Step 3: Cross multiply
    5,711.05x = 8,564.93 × 2,200.78
  4. Step 4: Simplify right side
    5,711.05x = 18,849,532.15
  5. Step 5: Solve for x
    x = 18,849,532.15/5,711.05
  6. Step 6: Final answer
    x = 3,300.54

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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.