Home / 5,648.30-8,469.56-3,309.05

Finding the Fourth Proportional to 5,648.30, 8,469.56 and 3,309.05

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Solution

The fourth proportional to 5,648.30, 8,469.56 and 3,309.05 is: 4,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.30 : 8,469.56 = 3,309.05 : x
  2. Step 2: Convert to fraction form
    5,648.30/8,469.56 = 3,309.05/x
  3. Step 3: Cross multiply
    5,648.30x = 8,469.56 × 3,309.05
  4. Step 4: Simplify right side
    5,648.30x = 28,026,226.96
  5. Step 5: Solve for x
    x = 28,026,226.96/5,648.30
  6. Step 6: Final answer
    x = 4,961.89

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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.