Home / 6,221.75-8,586.42-4,126.28

Finding the Fourth Proportional to 6,221.75, 8,586.42 and 4,126.28

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Solution

The fourth proportional to 6,221.75, 8,586.42 and 4,126.28 is: 5,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.75 : 8,586.42 = 4,126.28 : x
  2. Step 2: Convert to fraction form
    6,221.75/8,586.42 = 4,126.28/x
  3. Step 3: Cross multiply
    6,221.75x = 8,586.42 × 4,126.28
  4. Step 4: Simplify right side
    6,221.75x = 35,429,973.12
  5. Step 5: Solve for x
    x = 35,429,973.12/6,221.75
  6. Step 6: Final answer
    x = 5,694.53

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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.