Home / 5,290.18-7,936.08-1,394.89

Finding the Fourth Proportional to 5,290.18, 7,936.08 and 1,394.89

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Solution

The fourth proportional to 5,290.18, 7,936.08 and 1,394.89 is: 2,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.18 : 7,936.08 = 1,394.89 : x
  2. Step 2: Convert to fraction form
    5,290.18/7,936.08 = 1,394.89/x
  3. Step 3: Cross multiply
    5,290.18x = 7,936.08 × 1,394.89
  4. Step 4: Simplify right side
    5,290.18x = 11,069,958.63
  5. Step 5: Solve for x
    x = 11,069,958.63/5,290.18
  6. Step 6: Final answer
    x = 2,092.55

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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.