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Finding the Fourth Proportional to 8,005.53, 11,049.98 and 4,649.85

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Solution

The fourth proportional to 8,005.53, 11,049.98 and 4,649.85 is: 6,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.53 : 11,049.98 = 4,649.85 : x
  2. Step 2: Convert to fraction form
    8,005.53/11,049.98 = 4,649.85/x
  3. Step 3: Cross multiply
    8,005.53x = 11,049.98 × 4,649.85
  4. Step 4: Simplify right side
    8,005.53x = 51,380,777.13
  5. Step 5: Solve for x
    x = 51,380,777.13/8,005.53
  6. Step 6: Final answer
    x = 6,418.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.