Home / 4,259.54-6,388.02-1,485.44

Finding the Fourth Proportional to 4,259.54, 6,388.02 and 1,485.44

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Solution

The fourth proportional to 4,259.54, 6,388.02 and 1,485.44 is: 2,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.54 : 6,388.02 = 1,485.44 : x
  2. Step 2: Convert to fraction form
    4,259.54/6,388.02 = 1,485.44/x
  3. Step 3: Cross multiply
    4,259.54x = 6,388.02 × 1,485.44
  4. Step 4: Simplify right side
    4,259.54x = 9,489,020.43
  5. Step 5: Solve for x
    x = 9,489,020.43/4,259.54
  6. Step 6: Final answer
    x = 2,227.71

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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.