Home / 5,013.36-6,921.57-3,221.55

Finding the Fourth Proportional to 5,013.36, 6,921.57 and 3,221.55

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Solution

The fourth proportional to 5,013.36, 6,921.57 and 3,221.55 is: 4,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.36 : 6,921.57 = 3,221.55 : x
  2. Step 2: Convert to fraction form
    5,013.36/6,921.57 = 3,221.55/x
  3. Step 3: Cross multiply
    5,013.36x = 6,921.57 × 3,221.55
  4. Step 4: Simplify right side
    5,013.36x = 22,298,183.83
  5. Step 5: Solve for x
    x = 22,298,183.83/5,013.36
  6. Step 6: Final answer
    x = 4,447.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.