Home / 4,247.50-6,383.40-4,223.20

Finding the Fourth Proportional to 4,247.50, 6,383.40 and 4,223.20

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Solution

The fourth proportional to 4,247.50, 6,383.40 and 4,223.20 is: 6,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.50 : 6,383.40 = 4,223.20 : x
  2. Step 2: Convert to fraction form
    4,247.50/6,383.40 = 4,223.20/x
  3. Step 3: Cross multiply
    4,247.50x = 6,383.40 × 4,223.20
  4. Step 4: Simplify right side
    4,247.50x = 26,958,374.88
  5. Step 5: Solve for x
    x = 26,958,374.88/4,247.50
  6. Step 6: Final answer
    x = 6,346.88

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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.