Home / 5,126.72-7,690.07-3,394.94

Finding the Fourth Proportional to 5,126.72, 7,690.07 and 3,394.94

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Solution

The fourth proportional to 5,126.72, 7,690.07 and 3,394.94 is: 5,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.72 : 7,690.07 = 3,394.94 : x
  2. Step 2: Convert to fraction form
    5,126.72/7,690.07 = 3,394.94/x
  3. Step 3: Cross multiply
    5,126.72x = 7,690.07 × 3,394.94
  4. Step 4: Simplify right side
    5,126.72x = 26,107,296.28
  5. Step 5: Solve for x
    x = 26,107,296.28/5,126.72
  6. Step 6: Final answer
    x = 5,092.40

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1.5x scale

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.