Home / 5,091.73-7,026.46-2,853.70

Finding the Fourth Proportional to 5,091.73, 7,026.46 and 2,853.70

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Solution

The fourth proportional to 5,091.73, 7,026.46 and 2,853.70 is: 3,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.73 : 7,026.46 = 2,853.70 : x
  2. Step 2: Convert to fraction form
    5,091.73/7,026.46 = 2,853.70/x
  3. Step 3: Cross multiply
    5,091.73x = 7,026.46 × 2,853.70
  4. Step 4: Simplify right side
    5,091.73x = 20,051,408.90
  5. Step 5: Solve for x
    x = 20,051,408.90/5,091.73
  6. Step 6: Final answer
    x = 3,938.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.