Home / 7,819.18-10,790.49-4,234.17

Finding the Fourth Proportional to 7,819.18, 10,790.49 and 4,234.17

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Solution

The fourth proportional to 7,819.18, 10,790.49 and 4,234.17 is: 5,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.18 : 10,790.49 = 4,234.17 : x
  2. Step 2: Convert to fraction form
    7,819.18/10,790.49 = 4,234.17/x
  3. Step 3: Cross multiply
    7,819.18x = 10,790.49 × 4,234.17
  4. Step 4: Simplify right side
    7,819.18x = 45,688,769.04
  5. Step 5: Solve for x
    x = 45,688,769.04/7,819.18
  6. Step 6: Final answer
    x = 5,843.17

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1.5x scale

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.