Home / 5,986.30-8,259.84-3,628

Finding the Fourth Proportional to 5,986.30, 8,259.84 and 3,628

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Solution

The fourth proportional to 5,986.30, 8,259.84 and 3,628 is: 5,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.30 : 8,259.84 = 3,628 : x
  2. Step 2: Convert to fraction form
    5,986.30/8,259.84 = 3,628/x
  3. Step 3: Cross multiply
    5,986.30x = 8,259.84 × 3,628
  4. Step 4: Simplify right side
    5,986.30x = 29,966,699.52
  5. Step 5: Solve for x
    x = 29,966,699.52/5,986.30
  6. Step 6: Final answer
    x = 5,005.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.