Home / 5,091.57-7,026.75-2,853.54

Finding the Fourth Proportional to 5,091.57, 7,026.75 and 2,853.54

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Solution

The fourth proportional to 5,091.57, 7,026.75 and 2,853.54 is: 3,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.57 : 7,026.75 = 2,853.54 : x
  2. Step 2: Convert to fraction form
    5,091.57/7,026.75 = 2,853.54/x
  3. Step 3: Cross multiply
    5,091.57x = 7,026.75 × 2,853.54
  4. Step 4: Simplify right side
    5,091.57x = 20,051,112.20
  5. Step 5: Solve for x
    x = 20,051,112.20/5,091.57
  6. Step 6: Final answer
    x = 3,938.10

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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.