Home / 4,272.18-6,402.79-3,296.22

Finding the Fourth Proportional to 4,272.18, 6,402.79 and 3,296.22

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Solution

The fourth proportional to 4,272.18, 6,402.79 and 3,296.22 is: 4,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.18 : 6,402.79 = 3,296.22 : x
  2. Step 2: Convert to fraction form
    4,272.18/6,402.79 = 3,296.22/x
  3. Step 3: Cross multiply
    4,272.18x = 6,402.79 × 3,296.22
  4. Step 4: Simplify right side
    4,272.18x = 21,105,004.45
  5. Step 5: Solve for x
    x = 21,105,004.45/4,272.18
  6. Step 6: Final answer
    x = 4,940.10

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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.