Home / 5,403.26-8,101.80-3,213.52

Finding the Fourth Proportional to 5,403.26, 8,101.80 and 3,213.52

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Solution

The fourth proportional to 5,403.26, 8,101.80 and 3,213.52 is: 4,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.26 : 8,101.80 = 3,213.52 : x
  2. Step 2: Convert to fraction form
    5,403.26/8,101.80 = 3,213.52/x
  3. Step 3: Cross multiply
    5,403.26x = 8,101.80 × 3,213.52
  4. Step 4: Simplify right side
    5,403.26x = 26,035,296.34
  5. Step 5: Solve for x
    x = 26,035,296.34/5,403.26
  6. Step 6: Final answer
    x = 4,818.44

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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.