Home / 8,836.31-13,260.56-3,642.19

Finding the Fourth Proportional to 8,836.31, 13,260.56 and 3,642.19

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Solution

The fourth proportional to 8,836.31, 13,260.56 and 3,642.19 is: 5,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.31 : 13,260.56 = 3,642.19 : x
  2. Step 2: Convert to fraction form
    8,836.31/13,260.56 = 3,642.19/x
  3. Step 3: Cross multiply
    8,836.31x = 13,260.56 × 3,642.19
  4. Step 4: Simplify right side
    8,836.31x = 48,297,427.66
  5. Step 5: Solve for x
    x = 48,297,427.66/8,836.31
  6. Step 6: Final answer
    x = 5,465.79

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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.