Home / 4,262.19-6,387.36-3,221.34

Finding the Fourth Proportional to 4,262.19, 6,387.36 and 3,221.34

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Solution

The fourth proportional to 4,262.19, 6,387.36 and 3,221.34 is: 4,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.19 : 6,387.36 = 3,221.34 : x
  2. Step 2: Convert to fraction form
    4,262.19/6,387.36 = 3,221.34/x
  3. Step 3: Cross multiply
    4,262.19x = 6,387.36 × 3,221.34
  4. Step 4: Simplify right side
    4,262.19x = 20,575,858.26
  5. Step 5: Solve for x
    x = 20,575,858.26/4,262.19
  6. Step 6: Final answer
    x = 4,827.53

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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.