Home / 4,104.45-6,156.68-1,639.89

Finding the Fourth Proportional to 4,104.45, 6,156.68 and 1,639.89

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Solution

The fourth proportional to 4,104.45, 6,156.68 and 1,639.89 is: 2,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.45 : 6,156.68 = 1,639.89 : x
  2. Step 2: Convert to fraction form
    4,104.45/6,156.68 = 1,639.89/x
  3. Step 3: Cross multiply
    4,104.45x = 6,156.68 × 1,639.89
  4. Step 4: Simplify right side
    4,104.45x = 10,096,269.77
  5. Step 5: Solve for x
    x = 10,096,269.77/4,104.45
  6. Step 6: Final answer
    x = 2,459.84

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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.