Home / 6,121.13-8,449.73-4,134.37

Finding the Fourth Proportional to 6,121.13, 8,449.73 and 4,134.37

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Solution

The fourth proportional to 6,121.13, 8,449.73 and 4,134.37 is: 5,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.13 : 8,449.73 = 4,134.37 : x
  2. Step 2: Convert to fraction form
    6,121.13/8,449.73 = 4,134.37/x
  3. Step 3: Cross multiply
    6,121.13x = 8,449.73 × 4,134.37
  4. Step 4: Simplify right side
    6,121.13x = 34,934,331.12
  5. Step 5: Solve for x
    x = 34,934,331.12/6,121.13
  6. Step 6: Final answer
    x = 5,707.17

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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.