Home / 5,144.25-7,100.69-3,281.25

Finding the Fourth Proportional to 5,144.25, 7,100.69 and 3,281.25

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Solution

The fourth proportional to 5,144.25, 7,100.69 and 3,281.25 is: 4,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.25 : 7,100.69 = 3,281.25 : x
  2. Step 2: Convert to fraction form
    5,144.25/7,100.69 = 3,281.25/x
  3. Step 3: Cross multiply
    5,144.25x = 7,100.69 × 3,281.25
  4. Step 4: Simplify right side
    5,144.25x = 23,299,122.66
  5. Step 5: Solve for x
    x = 23,299,122.66/5,144.25
  6. Step 6: Final answer
    x = 4,529.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.