Home / 9,844.25-14,768.81-2,918.75

Finding the Fourth Proportional to 9,844.25, 14,768.81 and 2,918.75

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Solution

The fourth proportional to 9,844.25, 14,768.81 and 2,918.75 is: 4,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,844.25 : 14,768.81 = 2,918.75 : x
  2. Step 2: Convert to fraction form
    9,844.25/14,768.81 = 2,918.75/x
  3. Step 3: Cross multiply
    9,844.25x = 14,768.81 × 2,918.75
  4. Step 4: Simplify right side
    9,844.25x = 43,106,449.59
  5. Step 5: Solve for x
    x = 43,106,449.59/9,844.25
  6. Step 6: Final answer
    x = 4,378.85

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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.