Home / 6,243.84-8,616.60-3,449.16

Finding the Fourth Proportional to 6,243.84, 8,616.60 and 3,449.16

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Solution

The fourth proportional to 6,243.84, 8,616.60 and 3,449.16 is: 4,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.84 : 8,616.60 = 3,449.16 : x
  2. Step 2: Convert to fraction form
    6,243.84/8,616.60 = 3,449.16/x
  3. Step 3: Cross multiply
    6,243.84x = 8,616.60 × 3,449.16
  4. Step 4: Simplify right side
    6,243.84x = 29,720,032.06
  5. Step 5: Solve for x
    x = 29,720,032.06/6,243.84
  6. Step 6: Final answer
    x = 4,759.90

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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.