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Finding the Fourth Proportional to 5,015.06, 7,523.80 and 1,505.06

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Solution

The fourth proportional to 5,015.06, 7,523.80 and 1,505.06 is: 2,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.06 : 7,523.80 = 1,505.06 : x
  2. Step 2: Convert to fraction form
    5,015.06/7,523.80 = 1,505.06/x
  3. Step 3: Cross multiply
    5,015.06x = 7,523.80 × 1,505.06
  4. Step 4: Simplify right side
    5,015.06x = 11,323,729.05
  5. Step 5: Solve for x
    x = 11,323,729.05/5,015.06
  6. Step 6: Final answer
    x = 2,257.95

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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.