Home / 7,913.52-11,866.23-4,217.76

Finding the Fourth Proportional to 7,913.52, 11,866.23 and 4,217.76

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Solution

The fourth proportional to 7,913.52, 11,866.23 and 4,217.76 is: 6,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.52 : 11,866.23 = 4,217.76 : x
  2. Step 2: Convert to fraction form
    7,913.52/11,866.23 = 4,217.76/x
  3. Step 3: Cross multiply
    7,913.52x = 11,866.23 × 4,217.76
  4. Step 4: Simplify right side
    7,913.52x = 50,048,910.24
  5. Step 5: Solve for x
    x = 50,048,910.24/7,913.52
  6. Step 6: Final answer
    x = 6,324.48

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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.