Home / 5,228.22-7,218.30-3,462.20

Finding the Fourth Proportional to 5,228.22, 7,218.30 and 3,462.20

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Solution

The fourth proportional to 5,228.22, 7,218.30 and 3,462.20 is: 4,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.22 : 7,218.30 = 3,462.20 : x
  2. Step 2: Convert to fraction form
    5,228.22/7,218.30 = 3,462.20/x
  3. Step 3: Cross multiply
    5,228.22x = 7,218.30 × 3,462.20
  4. Step 4: Simplify right side
    5,228.22x = 24,991,198.26
  5. Step 5: Solve for x
    x = 24,991,198.26/5,228.22
  6. Step 6: Final answer
    x = 4,780.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.