Home / 6,938.46-10,400.40-4,305.96

Finding the Fourth Proportional to 6,938.46, 10,400.40 and 4,305.96

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Solution

The fourth proportional to 6,938.46, 10,400.40 and 4,305.96 is: 6,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.46 : 10,400.40 = 4,305.96 : x
  2. Step 2: Convert to fraction form
    6,938.46/10,400.40 = 4,305.96/x
  3. Step 3: Cross multiply
    6,938.46x = 10,400.40 × 4,305.96
  4. Step 4: Simplify right side
    6,938.46x = 44,783,706.38
  5. Step 5: Solve for x
    x = 44,783,706.38/6,938.46
  6. Step 6: Final answer
    x = 6,454.42

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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.