Home / 4,221.22-6,325.12-2,829.42

Finding the Fourth Proportional to 4,221.22, 6,325.12 and 2,829.42

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Solution

The fourth proportional to 4,221.22, 6,325.12 and 2,829.42 is: 4,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.22 : 6,325.12 = 2,829.42 : x
  2. Step 2: Convert to fraction form
    4,221.22/6,325.12 = 2,829.42/x
  3. Step 3: Cross multiply
    4,221.22x = 6,325.12 × 2,829.42
  4. Step 4: Simplify right side
    4,221.22x = 17,896,421.03
  5. Step 5: Solve for x
    x = 17,896,421.03/4,221.22
  6. Step 6: Final answer
    x = 4,239.63

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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.