Home / 4,367.20-6,553.68-3,215.68

Finding the Fourth Proportional to 4,367.20, 6,553.68 and 3,215.68

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Solution

The fourth proportional to 4,367.20, 6,553.68 and 3,215.68 is: 4,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,367.20 : 6,553.68 = 3,215.68 : x
  2. Step 2: Convert to fraction form
    4,367.20/6,553.68 = 3,215.68/x
  3. Step 3: Cross multiply
    4,367.20x = 6,553.68 × 3,215.68
  4. Step 4: Simplify right side
    4,367.20x = 21,074,537.70
  5. Step 5: Solve for x
    x = 21,074,537.70/4,367.20
  6. Step 6: Final answer
    x = 4,825.64

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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.