Home / 7,919.58-10,930.19-4,561.75

Finding the Fourth Proportional to 7,919.58, 10,930.19 and 4,561.75

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Solution

The fourth proportional to 7,919.58, 10,930.19 and 4,561.75 is: 6,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.58 : 10,930.19 = 4,561.75 : x
  2. Step 2: Convert to fraction form
    7,919.58/10,930.19 = 4,561.75/x
  3. Step 3: Cross multiply
    7,919.58x = 10,930.19 × 4,561.75
  4. Step 4: Simplify right side
    7,919.58x = 49,860,785.09
  5. Step 5: Solve for x
    x = 49,860,785.09/7,919.58
  6. Step 6: Final answer
    x = 6,295.88

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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.