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Finding the Fourth Proportional to 5,999.72, 8,939.25 and 5,664.38

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Solution

The fourth proportional to 5,999.72, 8,939.25 and 5,664.38 is: 8,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.72 : 8,939.25 = 5,664.38 : x
  2. Step 2: Convert to fraction form
    5,999.72/8,939.25 = 5,664.38/x
  3. Step 3: Cross multiply
    5,999.72x = 8,939.25 × 5,664.38
  4. Step 4: Simplify right side
    5,999.72x = 50,635,264.22
  5. Step 5: Solve for x
    x = 50,635,264.22/5,999.72
  6. Step 6: Final answer
    x = 8,439.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.