Home / 7,006.70-9,669.32-3,819.95

Finding the Fourth Proportional to 7,006.70, 9,669.32 and 3,819.95

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Solution

The fourth proportional to 7,006.70, 9,669.32 and 3,819.95 is: 5,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.70 : 9,669.32 = 3,819.95 : x
  2. Step 2: Convert to fraction form
    7,006.70/9,669.32 = 3,819.95/x
  3. Step 3: Cross multiply
    7,006.70x = 9,669.32 × 3,819.95
  4. Step 4: Simplify right side
    7,006.70x = 36,936,299.83
  5. Step 5: Solve for x
    x = 36,936,299.83/7,006.70
  6. Step 6: Final answer
    x = 5,271.57

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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.