Home / 4,213.70-6,315.63-3,170.35

Finding the Fourth Proportional to 4,213.70, 6,315.63 and 3,170.35

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Solution

The fourth proportional to 4,213.70, 6,315.63 and 3,170.35 is: 4,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.70 : 6,315.63 = 3,170.35 : x
  2. Step 2: Convert to fraction form
    4,213.70/6,315.63 = 3,170.35/x
  3. Step 3: Cross multiply
    4,213.70x = 6,315.63 × 3,170.35
  4. Step 4: Simplify right side
    4,213.70x = 20,022,757.57
  5. Step 5: Solve for x
    x = 20,022,757.57/4,213.70
  6. Step 6: Final answer
    x = 4,751.82

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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.