Home / 5,418.77-8,132.77-2,134.17

Finding the Fourth Proportional to 5,418.77, 8,132.77 and 2,134.17

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Solution

The fourth proportional to 5,418.77, 8,132.77 and 2,134.17 is: 3,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.77 : 8,132.77 = 2,134.17 : x
  2. Step 2: Convert to fraction form
    5,418.77/8,132.77 = 2,134.17/x
  3. Step 3: Cross multiply
    5,418.77x = 8,132.77 × 2,134.17
  4. Step 4: Simplify right side
    5,418.77x = 17,356,693.17
  5. Step 5: Solve for x
    x = 17,356,693.17/5,418.77
  6. Step 6: Final answer
    x = 3,203.07

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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.