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Finding the Fourth Proportional to 5,015.59, 7,523.09 and 1,728.61

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Solution

The fourth proportional to 5,015.59, 7,523.09 and 1,728.61 is: 2,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.59 : 7,523.09 = 1,728.61 : x
  2. Step 2: Convert to fraction form
    5,015.59/7,523.09 = 1,728.61/x
  3. Step 3: Cross multiply
    5,015.59x = 7,523.09 × 1,728.61
  4. Step 4: Simplify right side
    5,015.59x = 13,004,479.96
  5. Step 5: Solve for x
    x = 13,004,479.96/5,015.59
  6. Step 6: Final answer
    x = 2,592.81

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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.