Home / 9,141.06-13,705.38-2,899.02

Finding the Fourth Proportional to 9,141.06, 13,705.38 and 2,899.02

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Solution

The fourth proportional to 9,141.06, 13,705.38 and 2,899.02 is: 4,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.06 : 13,705.38 = 2,899.02 : x
  2. Step 2: Convert to fraction form
    9,141.06/13,705.38 = 2,899.02/x
  3. Step 3: Cross multiply
    9,141.06x = 13,705.38 × 2,899.02
  4. Step 4: Simplify right side
    9,141.06x = 39,732,170.73
  5. Step 5: Solve for x
    x = 39,732,170.73/9,141.06
  6. Step 6: Final answer
    x = 4,346.56

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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.