Home / 4,226.80-6,339.80-1,453.20

Finding the Fourth Proportional to 4,226.80, 6,339.80 and 1,453.20

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Solution

The fourth proportional to 4,226.80, 6,339.80 and 1,453.20 is: 2,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.80 : 6,339.80 = 1,453.20 : x
  2. Step 2: Convert to fraction form
    4,226.80/6,339.80 = 1,453.20/x
  3. Step 3: Cross multiply
    4,226.80x = 6,339.80 × 1,453.20
  4. Step 4: Simplify right side
    4,226.80x = 9,212,997.36
  5. Step 5: Solve for x
    x = 9,212,997.36/4,226.80
  6. Step 6: Final answer
    x = 2,179.66

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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.