Home / 3,007.38-4,511.32-927.39

Finding the Fourth Proportional to 3,007.38, 4,511.32 and 927.39

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Solution

The fourth proportional to 3,007.38, 4,511.32 and 927.39 is: 1,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.38 : 4,511.32 = 927.39 : x
  2. Step 2: Convert to fraction form
    3,007.38/4,511.32 = 927.39/x
  3. Step 3: Cross multiply
    3,007.38x = 4,511.32 × 927.39
  4. Step 4: Simplify right side
    3,007.38x = 4,183,753.05
  5. Step 5: Solve for x
    x = 4,183,753.05/3,007.38
  6. Step 6: Final answer
    x = 1,391.16

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1.5x scale

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.