Home / 4,179.19-6,269.08-1,405.85

Finding the Fourth Proportional to 4,179.19, 6,269.08 and 1,405.85

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Solution

The fourth proportional to 4,179.19, 6,269.08 and 1,405.85 is: 2,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.19 : 6,269.08 = 1,405.85 : x
  2. Step 2: Convert to fraction form
    4,179.19/6,269.08 = 1,405.85/x
  3. Step 3: Cross multiply
    4,179.19x = 6,269.08 × 1,405.85
  4. Step 4: Simplify right side
    4,179.19x = 8,813,354.77
  5. Step 5: Solve for x
    x = 8,813,354.77/4,179.19
  6. Step 6: Final answer
    x = 2,108.87

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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.