Home / 7,929.32-11,893.85-2,382.71

Finding the Fourth Proportional to 7,929.32, 11,893.85 and 2,382.71

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Solution

The fourth proportional to 7,929.32, 11,893.85 and 2,382.71 is: 3,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.32 : 11,893.85 = 2,382.71 : x
  2. Step 2: Convert to fraction form
    7,929.32/11,893.85 = 2,382.71/x
  3. Step 3: Cross multiply
    7,929.32x = 11,893.85 × 2,382.71
  4. Step 4: Simplify right side
    7,929.32x = 28,339,583.42
  5. Step 5: Solve for x
    x = 28,339,583.42/7,929.32
  6. Step 6: Final answer
    x = 3,574.02

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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.