Home / 5,376.97-7,419.81-3,018.66

Finding the Fourth Proportional to 5,376.97, 7,419.81 and 3,018.66

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Solution

The fourth proportional to 5,376.97, 7,419.81 and 3,018.66 is: 4,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.97 : 7,419.81 = 3,018.66 : x
  2. Step 2: Convert to fraction form
    5,376.97/7,419.81 = 3,018.66/x
  3. Step 3: Cross multiply
    5,376.97x = 7,419.81 × 3,018.66
  4. Step 4: Simplify right side
    5,376.97x = 22,397,867.15
  5. Step 5: Solve for x
    x = 22,397,867.15/5,376.97
  6. Step 6: Final answer
    x = 4,165.52

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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.