Home / 4,435.05-6,121.16-2,666.78

Finding the Fourth Proportional to 4,435.05, 6,121.16 and 2,666.78

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Solution

The fourth proportional to 4,435.05, 6,121.16 and 2,666.78 is: 3,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.05 : 6,121.16 = 2,666.78 : x
  2. Step 2: Convert to fraction form
    4,435.05/6,121.16 = 2,666.78/x
  3. Step 3: Cross multiply
    4,435.05x = 6,121.16 × 2,666.78
  4. Step 4: Simplify right side
    4,435.05x = 16,323,743.13
  5. Step 5: Solve for x
    x = 16,323,743.13/4,435.05
  6. Step 6: Final answer
    x = 3,680.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.