Home / 7,930.20-10,943.73-4,393.61

Finding the Fourth Proportional to 7,930.20, 10,943.73 and 4,393.61

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Solution

The fourth proportional to 7,930.20, 10,943.73 and 4,393.61 is: 6,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.20 : 10,943.73 = 4,393.61 : x
  2. Step 2: Convert to fraction form
    7,930.20/10,943.73 = 4,393.61/x
  3. Step 3: Cross multiply
    7,930.20x = 10,943.73 × 4,393.61
  4. Step 4: Simplify right side
    7,930.20x = 48,082,481.57
  5. Step 5: Solve for x
    x = 48,082,481.57/7,930.20
  6. Step 6: Final answer
    x = 6,063.21

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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.