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Finding the Fourth Proportional to 5,352.54, 8,028.81 and 2,719.63

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Solution

The fourth proportional to 5,352.54, 8,028.81 and 2,719.63 is: 4,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.54 : 8,028.81 = 2,719.63 : x
  2. Step 2: Convert to fraction form
    5,352.54/8,028.81 = 2,719.63/x
  3. Step 3: Cross multiply
    5,352.54x = 8,028.81 × 2,719.63
  4. Step 4: Simplify right side
    5,352.54x = 21,835,378.94
  5. Step 5: Solve for x
    x = 21,835,378.94/5,352.54
  6. Step 6: Final answer
    x = 4,079.45

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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.