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Finding the Fourth Proportional to 4,500.92, 6,739.54 and 3,618.74

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Solution

The fourth proportional to 4,500.92, 6,739.54 and 3,618.74 is: 5,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.92 : 6,739.54 = 3,618.74 : x
  2. Step 2: Convert to fraction form
    4,500.92/6,739.54 = 3,618.74/x
  3. Step 3: Cross multiply
    4,500.92x = 6,739.54 × 3,618.74
  4. Step 4: Simplify right side
    4,500.92x = 24,388,600.24
  5. Step 5: Solve for x
    x = 24,388,600.24/4,500.92
  6. Step 6: Final answer
    x = 5,418.59

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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.