Home / 6,122.61-9,184.52-1,961.57

Finding the Fourth Proportional to 6,122.61, 9,184.52 and 1,961.57

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Solution

The fourth proportional to 6,122.61, 9,184.52 and 1,961.57 is: 2,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.61 : 9,184.52 = 1,961.57 : x
  2. Step 2: Convert to fraction form
    6,122.61/9,184.52 = 1,961.57/x
  3. Step 3: Cross multiply
    6,122.61x = 9,184.52 × 1,961.57
  4. Step 4: Simplify right side
    6,122.61x = 18,016,106.76
  5. Step 5: Solve for x
    x = 18,016,106.76/6,122.61
  6. Step 6: Final answer
    x = 2,942.55

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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.