Home / 5,485.51-8,209.13-3,927.27

Finding the Fourth Proportional to 5,485.51, 8,209.13 and 3,927.27

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Solution

The fourth proportional to 5,485.51, 8,209.13 and 3,927.27 is: 5,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.51 : 8,209.13 = 3,927.27 : x
  2. Step 2: Convert to fraction form
    5,485.51/8,209.13 = 3,927.27/x
  3. Step 3: Cross multiply
    5,485.51x = 8,209.13 × 3,927.27
  4. Step 4: Simplify right side
    5,485.51x = 32,239,469.98
  5. Step 5: Solve for x
    x = 32,239,469.98/5,485.51
  6. Step 6: Final answer
    x = 5,877.21

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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.