Home / 5,152.25-7,728.82-1,454.51

Finding the Fourth Proportional to 5,152.25, 7,728.82 and 1,454.51

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Solution

The fourth proportional to 5,152.25, 7,728.82 and 1,454.51 is: 2,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.25 : 7,728.82 = 1,454.51 : x
  2. Step 2: Convert to fraction form
    5,152.25/7,728.82 = 1,454.51/x
  3. Step 3: Cross multiply
    5,152.25x = 7,728.82 × 1,454.51
  4. Step 4: Simplify right side
    5,152.25x = 11,241,661.66
  5. Step 5: Solve for x
    x = 11,241,661.66/5,152.25
  6. Step 6: Final answer
    x = 2,181.89

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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.