Home / 6,122.13-8,448.53-3,638.13

Finding the Fourth Proportional to 6,122.13, 8,448.53 and 3,638.13

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Solution

The fourth proportional to 6,122.13, 8,448.53 and 3,638.13 is: 5,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.13 : 8,448.53 = 3,638.13 : x
  2. Step 2: Convert to fraction form
    6,122.13/8,448.53 = 3,638.13/x
  3. Step 3: Cross multiply
    6,122.13x = 8,448.53 × 3,638.13
  4. Step 4: Simplify right side
    6,122.13x = 30,736,850.45
  5. Step 5: Solve for x
    x = 30,736,850.45/6,122.13
  6. Step 6: Final answer
    x = 5,020.61

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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.