Home / 7,930.92-11,901.77-4,235.81

Finding the Fourth Proportional to 7,930.92, 11,901.77 and 4,235.81

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Solution

The fourth proportional to 7,930.92, 11,901.77 and 4,235.81 is: 6,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.92 : 11,901.77 = 4,235.81 : x
  2. Step 2: Convert to fraction form
    7,930.92/11,901.77 = 4,235.81/x
  3. Step 3: Cross multiply
    7,930.92x = 11,901.77 × 4,235.81
  4. Step 4: Simplify right side
    7,930.92x = 50,413,566.29
  5. Step 5: Solve for x
    x = 50,413,566.29/7,930.92
  6. Step 6: Final answer
    x = 6,356.58

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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.