Home / 7,181.81-10,772.72-2,251.83

Finding the Fourth Proportional to 7,181.81, 10,772.72 and 2,251.83

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Solution

The fourth proportional to 7,181.81, 10,772.72 and 2,251.83 is: 3,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.81 : 10,772.72 = 2,251.83 : x
  2. Step 2: Convert to fraction form
    7,181.81/10,772.72 = 2,251.83/x
  3. Step 3: Cross multiply
    7,181.81x = 10,772.72 × 2,251.83
  4. Step 4: Simplify right side
    7,181.81x = 24,258,377.99
  5. Step 5: Solve for x
    x = 24,258,377.99/7,181.81
  6. Step 6: Final answer
    x = 3,377.75

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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.