Home / 7,918.52-11,899.32-4,223.36

Finding the Fourth Proportional to 7,918.52, 11,899.32 and 4,223.36

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Solution

The fourth proportional to 7,918.52, 11,899.32 and 4,223.36 is: 6,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.52 : 11,899.32 = 4,223.36 : x
  2. Step 2: Convert to fraction form
    7,918.52/11,899.32 = 4,223.36/x
  3. Step 3: Cross multiply
    7,918.52x = 11,899.32 × 4,223.36
  4. Step 4: Simplify right side
    7,918.52x = 50,255,112.12
  5. Step 5: Solve for x
    x = 50,255,112.12/7,918.52
  6. Step 6: Final answer
    x = 6,346.53

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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.