Home / 4,083.31-5,633.35-2,666.55

Finding the Fourth Proportional to 4,083.31, 5,633.35 and 2,666.55

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Solution

The fourth proportional to 4,083.31, 5,633.35 and 2,666.55 is: 3,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.31 : 5,633.35 = 2,666.55 : x
  2. Step 2: Convert to fraction form
    4,083.31/5,633.35 = 2,666.55/x
  3. Step 3: Cross multiply
    4,083.31x = 5,633.35 × 2,666.55
  4. Step 4: Simplify right side
    4,083.31x = 15,021,609.44
  5. Step 5: Solve for x
    x = 15,021,609.44/4,083.31
  6. Step 6: Final answer
    x = 3,678.78

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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.