Home / 10,578.30-15,850.76-3,905.61

Finding the Fourth Proportional to 10,578.30, 15,850.76 and 3,905.61

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Solution

The fourth proportional to 10,578.30, 15,850.76 and 3,905.61 is: 5,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.30 : 15,850.76 = 3,905.61 : x
  2. Step 2: Convert to fraction form
    10,578.30/15,850.76 = 3,905.61/x
  3. Step 3: Cross multiply
    10,578.30x = 15,850.76 × 3,905.61
  4. Step 4: Simplify right side
    10,578.30x = 61,906,867.24
  5. Step 5: Solve for x
    x = 61,906,867.24/10,578.30
  6. Step 6: Final answer
    x = 5,852.25

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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.