Home / 4,677.88-7,016.82-1,391.02

Finding the Fourth Proportional to 4,677.88, 7,016.82 and 1,391.02

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Solution

The fourth proportional to 4,677.88, 7,016.82 and 1,391.02 is: 2,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.88 : 7,016.82 = 1,391.02 : x
  2. Step 2: Convert to fraction form
    4,677.88/7,016.82 = 1,391.02/x
  3. Step 3: Cross multiply
    4,677.88x = 7,016.82 × 1,391.02
  4. Step 4: Simplify right side
    4,677.88x = 9,760,536.96
  5. Step 5: Solve for x
    x = 9,760,536.96/4,677.88
  6. Step 6: Final answer
    x = 2,086.53

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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.