Home / 4,253.90-6,375.03-3,213.05

Finding the Fourth Proportional to 4,253.90, 6,375.03 and 3,213.05

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Solution

The fourth proportional to 4,253.90, 6,375.03 and 3,213.05 is: 4,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.90 : 6,375.03 = 3,213.05 : x
  2. Step 2: Convert to fraction form
    4,253.90/6,375.03 = 3,213.05/x
  3. Step 3: Cross multiply
    4,253.90x = 6,375.03 × 3,213.05
  4. Step 4: Simplify right side
    4,253.90x = 20,483,258.27
  5. Step 5: Solve for x
    x = 20,483,258.27/4,253.90
  6. Step 6: Final answer
    x = 4,815.18

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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.