Home / 7,921.26-10,930.41-4,384.26

Finding the Fourth Proportional to 7,921.26, 10,930.41 and 4,384.26

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Solution

The fourth proportional to 7,921.26, 10,930.41 and 4,384.26 is: 6,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.26 : 10,930.41 = 4,384.26 : x
  2. Step 2: Convert to fraction form
    7,921.26/10,930.41 = 4,384.26/x
  3. Step 3: Cross multiply
    7,921.26x = 10,930.41 × 4,384.26
  4. Step 4: Simplify right side
    7,921.26x = 47,921,759.35
  5. Step 5: Solve for x
    x = 47,921,759.35/7,921.26
  6. Step 6: Final answer
    x = 6,049.76

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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.