Home / 5,394.74-8,087.79-2,107.22

Finding the Fourth Proportional to 5,394.74, 8,087.79 and 2,107.22

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Solution

The fourth proportional to 5,394.74, 8,087.79 and 2,107.22 is: 3,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.74 : 8,087.79 = 2,107.22 : x
  2. Step 2: Convert to fraction form
    5,394.74/8,087.79 = 2,107.22/x
  3. Step 3: Cross multiply
    5,394.74x = 8,087.79 × 2,107.22
  4. Step 4: Simplify right side
    5,394.74x = 17,042,752.84
  5. Step 5: Solve for x
    x = 17,042,752.84/5,394.74
  6. Step 6: Final answer
    x = 3,159.14

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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.