Home / 7,091.48-9,786.17-4,108.28

Finding the Fourth Proportional to 7,091.48, 9,786.17 and 4,108.28

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Solution

The fourth proportional to 7,091.48, 9,786.17 and 4,108.28 is: 5,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.48 : 9,786.17 = 4,108.28 : x
  2. Step 2: Convert to fraction form
    7,091.48/9,786.17 = 4,108.28/x
  3. Step 3: Cross multiply
    7,091.48x = 9,786.17 × 4,108.28
  4. Step 4: Simplify right side
    7,091.48x = 40,204,257.02
  5. Step 5: Solve for x
    x = 40,204,257.02/7,091.48
  6. Step 6: Final answer
    x = 5,669.38

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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.