Home / 4,435.31-6,121.16-2,666.88

Finding the Fourth Proportional to 4,435.31, 6,121.16 and 2,666.88

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Solution

The fourth proportional to 4,435.31, 6,121.16 and 2,666.88 is: 3,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.31 : 6,121.16 = 2,666.88 : x
  2. Step 2: Convert to fraction form
    4,435.31/6,121.16 = 2,666.88/x
  3. Step 3: Cross multiply
    4,435.31x = 6,121.16 × 2,666.88
  4. Step 4: Simplify right side
    4,435.31x = 16,324,385.85
  5. Step 5: Solve for x
    x = 16,324,385.85/4,435.31
  6. Step 6: Final answer
    x = 3,680.56

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1.5x scale

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.