Home / 5,487.02-8,231.84-1,789.25

Finding the Fourth Proportional to 5,487.02, 8,231.84 and 1,789.25

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Solution

The fourth proportional to 5,487.02, 8,231.84 and 1,789.25 is: 2,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.02 : 8,231.84 = 1,789.25 : x
  2. Step 2: Convert to fraction form
    5,487.02/8,231.84 = 1,789.25/x
  3. Step 3: Cross multiply
    5,487.02x = 8,231.84 × 1,789.25
  4. Step 4: Simplify right side
    5,487.02x = 14,728,832.95
  5. Step 5: Solve for x
    x = 14,728,832.95/5,487.02
  6. Step 6: Final answer
    x = 2,684.31

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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.