Home / 7,219.52-10,829.66-2,289.54

Finding the Fourth Proportional to 7,219.52, 10,829.66 and 2,289.54

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Solution

The fourth proportional to 7,219.52, 10,829.66 and 2,289.54 is: 3,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.52 : 10,829.66 = 2,289.54 : x
  2. Step 2: Convert to fraction form
    7,219.52/10,829.66 = 2,289.54/x
  3. Step 3: Cross multiply
    7,219.52x = 10,829.66 × 2,289.54
  4. Step 4: Simplify right side
    7,219.52x = 24,794,981.80
  5. Step 5: Solve for x
    x = 24,794,981.80/7,219.52
  6. Step 6: Final answer
    x = 3,434.44

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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.