Home / 4,227.48-6,343.64-2,279.64

Finding the Fourth Proportional to 4,227.48, 6,343.64 and 2,279.64

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Solution

The fourth proportional to 4,227.48, 6,343.64 and 2,279.64 is: 3,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.48 : 6,343.64 = 2,279.64 : x
  2. Step 2: Convert to fraction form
    4,227.48/6,343.64 = 2,279.64/x
  3. Step 3: Cross multiply
    4,227.48x = 6,343.64 × 2,279.64
  4. Step 4: Simplify right side
    4,227.48x = 14,461,215.49
  5. Step 5: Solve for x
    x = 14,461,215.49/4,227.48
  6. Step 6: Final answer
    x = 3,420.76

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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.