Home / 4,311.48-6,435.83-3,990.52

Finding the Fourth Proportional to 4,311.48, 6,435.83 and 3,990.52

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Solution

The fourth proportional to 4,311.48, 6,435.83 and 3,990.52 is: 5,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.48 : 6,435.83 = 3,990.52 : x
  2. Step 2: Convert to fraction form
    4,311.48/6,435.83 = 3,990.52/x
  3. Step 3: Cross multiply
    4,311.48x = 6,435.83 × 3,990.52
  4. Step 4: Simplify right side
    4,311.48x = 25,682,308.33
  5. Step 5: Solve for x
    x = 25,682,308.33/4,311.48
  6. Step 6: Final answer
    x = 5,956.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.