Home / 6,666.03-9,200.33-3,977.43

Finding the Fourth Proportional to 6,666.03, 9,200.33 and 3,977.43

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Solution

The fourth proportional to 6,666.03, 9,200.33 and 3,977.43 is: 5,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.03 : 9,200.33 = 3,977.43 : x
  2. Step 2: Convert to fraction form
    6,666.03/9,200.33 = 3,977.43/x
  3. Step 3: Cross multiply
    6,666.03x = 9,200.33 × 3,977.43
  4. Step 4: Simplify right side
    6,666.03x = 36,593,648.66
  5. Step 5: Solve for x
    x = 36,593,648.66/6,666.03
  6. Step 6: Final answer
    x = 5,489.57

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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.