Home / 6,385.20-9,579.84-2,226.24

Finding the Fourth Proportional to 6,385.20, 9,579.84 and 2,226.24

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Solution

The fourth proportional to 6,385.20, 9,579.84 and 2,226.24 is: 3,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.20 : 9,579.84 = 2,226.24 : x
  2. Step 2: Convert to fraction form
    6,385.20/9,579.84 = 2,226.24/x
  3. Step 3: Cross multiply
    6,385.20x = 9,579.84 × 2,226.24
  4. Step 4: Simplify right side
    6,385.20x = 21,327,023.00
  5. Step 5: Solve for x
    x = 21,327,023.00/6,385.20
  6. Step 6: Final answer
    x = 3,340.07

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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.