Home / 4,221.56-5,820.31-3,462.55

Finding the Fourth Proportional to 4,221.56, 5,820.31 and 3,462.55

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Solution

The fourth proportional to 4,221.56, 5,820.31 and 3,462.55 is: 4,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.56 : 5,820.31 = 3,462.55 : x
  2. Step 2: Convert to fraction form
    4,221.56/5,820.31 = 3,462.55/x
  3. Step 3: Cross multiply
    4,221.56x = 5,820.31 × 3,462.55
  4. Step 4: Simplify right side
    4,221.56x = 20,153,114.39
  5. Step 5: Solve for x
    x = 20,153,114.39/4,221.56
  6. Step 6: Final answer
    x = 4,773.85

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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.