Home / 4,277.82-6,417.75-2,086.05

Finding the Fourth Proportional to 4,277.82, 6,417.75 and 2,086.05

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Solution

The fourth proportional to 4,277.82, 6,417.75 and 2,086.05 is: 3,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.82 : 6,417.75 = 2,086.05 : x
  2. Step 2: Convert to fraction form
    4,277.82/6,417.75 = 2,086.05/x
  3. Step 3: Cross multiply
    4,277.82x = 6,417.75 × 2,086.05
  4. Step 4: Simplify right side
    4,277.82x = 13,387,747.39
  5. Step 5: Solve for x
    x = 13,387,747.39/4,277.82
  6. Step 6: Final answer
    x = 3,129.57

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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.