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Finding the Fourth Proportional to 4,441.68, 6,129.92 and 2,673

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Solution

The fourth proportional to 4,441.68, 6,129.92 and 2,673 is: 3,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.68 : 6,129.92 = 2,673 : x
  2. Step 2: Convert to fraction form
    4,441.68/6,129.92 = 2,673/x
  3. Step 3: Cross multiply
    4,441.68x = 6,129.92 × 2,673
  4. Step 4: Simplify right side
    4,441.68x = 16,385,276.16
  5. Step 5: Solve for x
    x = 16,385,276.16/4,441.68
  6. Step 6: Final answer
    x = 3,688.98

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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.