Home / 4,380.17-6,550.28-3,270.36

Finding the Fourth Proportional to 4,380.17, 6,550.28 and 3,270.36

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Solution

The fourth proportional to 4,380.17, 6,550.28 and 3,270.36 is: 4,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.17 : 6,550.28 = 3,270.36 : x
  2. Step 2: Convert to fraction form
    4,380.17/6,550.28 = 3,270.36/x
  3. Step 3: Cross multiply
    4,380.17x = 6,550.28 × 3,270.36
  4. Step 4: Simplify right side
    4,380.17x = 21,421,757.35
  5. Step 5: Solve for x
    x = 21,421,757.35/4,380.17
  6. Step 6: Final answer
    x = 4,890.63

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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.