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Finding the Fourth Proportional to 5,008, 7,512.48 and 1,360

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Solution

The fourth proportional to 5,008, 7,512.48 and 1,360 is: 2,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008 : 7,512.48 = 1,360 : x
  2. Step 2: Convert to fraction form
    5,008/7,512.48 = 1,360/x
  3. Step 3: Cross multiply
    5,008x = 7,512.48 × 1,360
  4. Step 4: Simplify right side
    5,008x = 10,216,972.80
  5. Step 5: Solve for x
    x = 10,216,972.80/5,008
  6. Step 6: Final answer
    x = 2,040.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.