Home / 5,091.21-7,026.18-2,853

Finding the Fourth Proportional to 5,091.21, 7,026.18 and 2,853

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Solution

The fourth proportional to 5,091.21, 7,026.18 and 2,853 is: 3,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.21 : 7,026.18 = 2,853 : x
  2. Step 2: Convert to fraction form
    5,091.21/7,026.18 = 2,853/x
  3. Step 3: Cross multiply
    5,091.21x = 7,026.18 × 2,853
  4. Step 4: Simplify right side
    5,091.21x = 20,045,691.54
  5. Step 5: Solve for x
    x = 20,045,691.54/5,091.21
  6. Step 6: Final answer
    x = 3,937.31

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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.