Home / 4,428.87-6,111.77-2,439.61

Finding the Fourth Proportional to 4,428.87, 6,111.77 and 2,439.61

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Solution

The fourth proportional to 4,428.87, 6,111.77 and 2,439.61 is: 3,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.87 : 6,111.77 = 2,439.61 : x
  2. Step 2: Convert to fraction form
    4,428.87/6,111.77 = 2,439.61/x
  3. Step 3: Cross multiply
    4,428.87x = 6,111.77 × 2,439.61
  4. Step 4: Simplify right side
    4,428.87x = 14,910,328.35
  5. Step 5: Solve for x
    x = 14,910,328.35/4,428.87
  6. Step 6: Final answer
    x = 3,366.62

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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.