Home / 8,319.02-12,481.95-3,935.30

Finding the Fourth Proportional to 8,319.02, 12,481.95 and 3,935.30

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Solution

The fourth proportional to 8,319.02, 12,481.95 and 3,935.30 is: 5,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.02 : 12,481.95 = 3,935.30 : x
  2. Step 2: Convert to fraction form
    8,319.02/12,481.95 = 3,935.30/x
  3. Step 3: Cross multiply
    8,319.02x = 12,481.95 × 3,935.30
  4. Step 4: Simplify right side
    8,319.02x = 49,120,217.84
  5. Step 5: Solve for x
    x = 49,120,217.84/8,319.02
  6. Step 6: Final answer
    x = 5,904.57

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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.