Home / 7,063.46-9,747.30-3,919.85

Finding the Fourth Proportional to 7,063.46, 9,747.30 and 3,919.85

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Solution

The fourth proportional to 7,063.46, 9,747.30 and 3,919.85 is: 5,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.46 : 9,747.30 = 3,919.85 : x
  2. Step 2: Convert to fraction form
    7,063.46/9,747.30 = 3,919.85/x
  3. Step 3: Cross multiply
    7,063.46x = 9,747.30 × 3,919.85
  4. Step 4: Simplify right side
    7,063.46x = 38,207,953.91
  5. Step 5: Solve for x
    x = 38,207,953.91/7,063.46
  6. Step 6: Final answer
    x = 5,409.24

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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.