Home / 5,221.83-7,833.05-2,101.82

Finding the Fourth Proportional to 5,221.83, 7,833.05 and 2,101.82

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Solution

The fourth proportional to 5,221.83, 7,833.05 and 2,101.82 is: 3,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.83 : 7,833.05 = 2,101.82 : x
  2. Step 2: Convert to fraction form
    5,221.83/7,833.05 = 2,101.82/x
  3. Step 3: Cross multiply
    5,221.83x = 7,833.05 × 2,101.82
  4. Step 4: Simplify right side
    5,221.83x = 16,463,697.27
  5. Step 5: Solve for x
    x = 16,463,697.27/5,221.83
  6. Step 6: Final answer
    x = 3,152.86

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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.