Home / 9,083.61-13,619.81-3,159.14

Finding the Fourth Proportional to 9,083.61, 13,619.81 and 3,159.14

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Solution

The fourth proportional to 9,083.61, 13,619.81 and 3,159.14 is: 4,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,083.61 : 13,619.81 = 3,159.14 : x
  2. Step 2: Convert to fraction form
    9,083.61/13,619.81 = 3,159.14/x
  3. Step 3: Cross multiply
    9,083.61x = 13,619.81 × 3,159.14
  4. Step 4: Simplify right side
    9,083.61x = 43,026,826.36
  5. Step 5: Solve for x
    x = 43,026,826.36/9,083.61
  6. Step 6: Final answer
    x = 4,736.75

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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.