Home / 3,999.45-6,011.15-3,310.54

Finding the Fourth Proportional to 3,999.45, 6,011.15 and 3,310.54

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Solution

The fourth proportional to 3,999.45, 6,011.15 and 3,310.54 is: 4,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.45 : 6,011.15 = 3,310.54 : x
  2. Step 2: Convert to fraction form
    3,999.45/6,011.15 = 3,310.54/x
  3. Step 3: Cross multiply
    3,999.45x = 6,011.15 × 3,310.54
  4. Step 4: Simplify right side
    3,999.45x = 19,900,152.52
  5. Step 5: Solve for x
    x = 19,900,152.52/3,999.45
  6. Step 6: Final answer
    x = 4,975.72

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1.5x scale

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.