Home / 5,471.05-8,206.69-1,961.28

Finding the Fourth Proportional to 5,471.05, 8,206.69 and 1,961.28

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Solution

The fourth proportional to 5,471.05, 8,206.69 and 1,961.28 is: 2,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.05 : 8,206.69 = 1,961.28 : x
  2. Step 2: Convert to fraction form
    5,471.05/8,206.69 = 1,961.28/x
  3. Step 3: Cross multiply
    5,471.05x = 8,206.69 × 1,961.28
  4. Step 4: Simplify right side
    5,471.05x = 16,095,632.58
  5. Step 5: Solve for x
    x = 16,095,632.58/5,471.05
  6. Step 6: Final answer
    x = 2,941.97

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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.