Home / 4,155.35-6,223.30-3,116.39

Finding the Fourth Proportional to 4,155.35, 6,223.30 and 3,116.39

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Solution

The fourth proportional to 4,155.35, 6,223.30 and 3,116.39 is: 4,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.35 : 6,223.30 = 3,116.39 : x
  2. Step 2: Convert to fraction form
    4,155.35/6,223.30 = 3,116.39/x
  3. Step 3: Cross multiply
    4,155.35x = 6,223.30 × 3,116.39
  4. Step 4: Simplify right side
    4,155.35x = 19,394,190.98
  5. Step 5: Solve for x
    x = 19,394,190.98/4,155.35
  6. Step 6: Final answer
    x = 4,667.29

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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.