Home / 7,945.75-11,904.10-3,721.25

Finding the Fourth Proportional to 7,945.75, 11,904.10 and 3,721.25

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Solution

The fourth proportional to 7,945.75, 11,904.10 and 3,721.25 is: 5,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.75 : 11,904.10 = 3,721.25 : x
  2. Step 2: Convert to fraction form
    7,945.75/11,904.10 = 3,721.25/x
  3. Step 3: Cross multiply
    7,945.75x = 11,904.10 × 3,721.25
  4. Step 4: Simplify right side
    7,945.75x = 44,298,152.58
  5. Step 5: Solve for x
    x = 44,298,152.58/7,945.75
  6. Step 6: Final answer
    x = 5,575.07

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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.