Home / 4,208.20-6,305.10-2,667.40

Finding the Fourth Proportional to 4,208.20, 6,305.10 and 2,667.40

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Solution

The fourth proportional to 4,208.20, 6,305.10 and 2,667.40 is: 3,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.20 : 6,305.10 = 2,667.40 : x
  2. Step 2: Convert to fraction form
    4,208.20/6,305.10 = 2,667.40/x
  3. Step 3: Cross multiply
    4,208.20x = 6,305.10 × 2,667.40
  4. Step 4: Simplify right side
    4,208.20x = 16,818,223.74
  5. Step 5: Solve for x
    x = 16,818,223.74/4,208.20
  6. Step 6: Final answer
    x = 3,996.54

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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.