Home / 4,487.32-6,732.11-2,639.98

Finding the Fourth Proportional to 4,487.32, 6,732.11 and 2,639.98

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Solution

The fourth proportional to 4,487.32, 6,732.11 and 2,639.98 is: 3,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.32 : 6,732.11 = 2,639.98 : x
  2. Step 2: Convert to fraction form
    4,487.32/6,732.11 = 2,639.98/x
  3. Step 3: Cross multiply
    4,487.32x = 6,732.11 × 2,639.98
  4. Step 4: Simplify right side
    4,487.32x = 17,772,635.76
  5. Step 5: Solve for x
    x = 17,772,635.76/4,487.32
  6. Step 6: Final answer
    x = 3,960.63

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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.