Home / 4,263.62-6,399.25-2,185.05

Finding the Fourth Proportional to 4,263.62, 6,399.25 and 2,185.05

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Solution

The fourth proportional to 4,263.62, 6,399.25 and 2,185.05 is: 3,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.62 : 6,399.25 = 2,185.05 : x
  2. Step 2: Convert to fraction form
    4,263.62/6,399.25 = 2,185.05/x
  3. Step 3: Cross multiply
    4,263.62x = 6,399.25 × 2,185.05
  4. Step 4: Simplify right side
    4,263.62x = 13,982,681.21
  5. Step 5: Solve for x
    x = 13,982,681.21/4,263.62
  6. Step 6: Final answer
    x = 3,279.53

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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.