Home / 4,805.25-7,209.09-1,342.50

Finding the Fourth Proportional to 4,805.25, 7,209.09 and 1,342.50

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Solution

The fourth proportional to 4,805.25, 7,209.09 and 1,342.50 is: 2,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.25 : 7,209.09 = 1,342.50 : x
  2. Step 2: Convert to fraction form
    4,805.25/7,209.09 = 1,342.50/x
  3. Step 3: Cross multiply
    4,805.25x = 7,209.09 × 1,342.50
  4. Step 4: Simplify right side
    4,805.25x = 9,678,203.33
  5. Step 5: Solve for x
    x = 9,678,203.33/4,805.25
  6. Step 6: Final answer
    x = 2,014.09

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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.