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Finding the Fourth Proportional to 4,608.87, 6,360.03 and 2,840.64

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Solution

The fourth proportional to 4,608.87, 6,360.03 and 2,840.64 is: 3,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.87 : 6,360.03 = 2,840.64 : x
  2. Step 2: Convert to fraction form
    4,608.87/6,360.03 = 2,840.64/x
  3. Step 3: Cross multiply
    4,608.87x = 6,360.03 × 2,840.64
  4. Step 4: Simplify right side
    4,608.87x = 18,066,555.62
  5. Step 5: Solve for x
    x = 18,066,555.62/4,608.87
  6. Step 6: Final answer
    x = 3,919.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.