Home / 7,986.81-11,018.66-5,335.95

Finding the Fourth Proportional to 7,986.81, 11,018.66 and 5,335.95

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Solution

The fourth proportional to 7,986.81, 11,018.66 and 5,335.95 is: 7,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.81 : 11,018.66 = 5,335.95 : x
  2. Step 2: Convert to fraction form
    7,986.81/11,018.66 = 5,335.95/x
  3. Step 3: Cross multiply
    7,986.81x = 11,018.66 × 5,335.95
  4. Step 4: Simplify right side
    7,986.81x = 58,794,992.15
  5. Step 5: Solve for x
    x = 58,794,992.15/7,986.81
  6. Step 6: Final answer
    x = 7,361.51

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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.