Home / 10,481.52-15,721.95-3,907.77

Finding the Fourth Proportional to 10,481.52, 15,721.95 and 3,907.77

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Solution

The fourth proportional to 10,481.52, 15,721.95 and 3,907.77 is: 5,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.52 : 15,721.95 = 3,907.77 : x
  2. Step 2: Convert to fraction form
    10,481.52/15,721.95 = 3,907.77/x
  3. Step 3: Cross multiply
    10,481.52x = 15,721.95 × 3,907.77
  4. Step 4: Simplify right side
    10,481.52x = 61,437,764.55
  5. Step 5: Solve for x
    x = 61,437,764.55/10,481.52
  6. Step 6: Final answer
    x = 5,861.53

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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.