Home / 6,218.75-9,331.36-2,755.19

Finding the Fourth Proportional to 6,218.75, 9,331.36 and 2,755.19

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Solution

The fourth proportional to 6,218.75, 9,331.36 and 2,755.19 is: 4,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.75 : 9,331.36 = 2,755.19 : x
  2. Step 2: Convert to fraction form
    6,218.75/9,331.36 = 2,755.19/x
  3. Step 3: Cross multiply
    6,218.75x = 9,331.36 × 2,755.19
  4. Step 4: Simplify right side
    6,218.75x = 25,709,669.76
  5. Step 5: Solve for x
    x = 25,709,669.76/6,218.75
  6. Step 6: Final answer
    x = 4,134.22

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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.