Home / 7,819.23-10,790.56-4,234.20

Finding the Fourth Proportional to 7,819.23, 10,790.56 and 4,234.20

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Solution

The fourth proportional to 7,819.23, 10,790.56 and 4,234.20 is: 5,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.23 : 10,790.56 = 4,234.20 : x
  2. Step 2: Convert to fraction form
    7,819.23/10,790.56 = 4,234.20/x
  3. Step 3: Cross multiply
    7,819.23x = 10,790.56 × 4,234.20
  4. Step 4: Simplify right side
    7,819.23x = 45,689,389.15
  5. Step 5: Solve for x
    x = 45,689,389.15/7,819.23
  6. Step 6: Final answer
    x = 5,843.21

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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.