Home / 8,805.79-13,217.37-5,986

Finding the Fourth Proportional to 8,805.79, 13,217.37 and 5,986

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Solution

The fourth proportional to 8,805.79, 13,217.37 and 5,986 is: 8,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.79 : 13,217.37 = 5,986 : x
  2. Step 2: Convert to fraction form
    8,805.79/13,217.37 = 5,986/x
  3. Step 3: Cross multiply
    8,805.79x = 13,217.37 × 5,986
  4. Step 4: Simplify right side
    8,805.79x = 79,119,176.82
  5. Step 5: Solve for x
    x = 79,119,176.82/8,805.79
  6. Step 6: Final answer
    x = 8,984.90

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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.