Home / 9,192.41-13,790.78-2,618.69

Finding the Fourth Proportional to 9,192.41, 13,790.78 and 2,618.69

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Solution

The fourth proportional to 9,192.41, 13,790.78 and 2,618.69 is: 3,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.41 : 13,790.78 = 2,618.69 : x
  2. Step 2: Convert to fraction form
    9,192.41/13,790.78 = 2,618.69/x
  3. Step 3: Cross multiply
    9,192.41x = 13,790.78 × 2,618.69
  4. Step 4: Simplify right side
    9,192.41x = 36,113,764.58
  5. Step 5: Solve for x
    x = 36,113,764.58/9,192.41
  6. Step 6: Final answer
    x = 3,928.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.