Home / 5,476.50-8,209.86-2,553.21

Finding the Fourth Proportional to 5,476.50, 8,209.86 and 2,553.21

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Solution

The fourth proportional to 5,476.50, 8,209.86 and 2,553.21 is: 3,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.50 : 8,209.86 = 2,553.21 : x
  2. Step 2: Convert to fraction form
    5,476.50/8,209.86 = 2,553.21/x
  3. Step 3: Cross multiply
    5,476.50x = 8,209.86 × 2,553.21
  4. Step 4: Simplify right side
    5,476.50x = 20,961,496.65
  5. Step 5: Solve for x
    x = 20,961,496.65/5,476.50
  6. Step 6: Final answer
    x = 3,827.54

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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.