Home / 5,472.16-8,209.32-1,961.23

Finding the Fourth Proportional to 5,472.16, 8,209.32 and 1,961.23

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Solution

The fourth proportional to 5,472.16, 8,209.32 and 1,961.23 is: 2,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.16 : 8,209.32 = 1,961.23 : x
  2. Step 2: Convert to fraction form
    5,472.16/8,209.32 = 1,961.23/x
  3. Step 3: Cross multiply
    5,472.16x = 8,209.32 × 1,961.23
  4. Step 4: Simplify right side
    5,472.16x = 16,100,364.66
  5. Step 5: Solve for x
    x = 16,100,364.66/5,472.16
  6. Step 6: Final answer
    x = 2,942.23

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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.