Home / 8,225.58-12,338.92-2,961.66

Finding the Fourth Proportional to 8,225.58, 12,338.92 and 2,961.66

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Solution

The fourth proportional to 8,225.58, 12,338.92 and 2,961.66 is: 4,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.58 : 12,338.92 = 2,961.66 : x
  2. Step 2: Convert to fraction form
    8,225.58/12,338.92 = 2,961.66/x
  3. Step 3: Cross multiply
    8,225.58x = 12,338.92 × 2,961.66
  4. Step 4: Simplify right side
    8,225.58x = 36,543,685.81
  5. Step 5: Solve for x
    x = 36,543,685.81/8,225.58
  6. Step 6: Final answer
    x = 4,442.69

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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.