Home / 6,579.55-9,860.68-3,117.79

Finding the Fourth Proportional to 6,579.55, 9,860.68 and 3,117.79

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Solution

The fourth proportional to 6,579.55, 9,860.68 and 3,117.79 is: 4,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.55 : 9,860.68 = 3,117.79 : x
  2. Step 2: Convert to fraction form
    6,579.55/9,860.68 = 3,117.79/x
  3. Step 3: Cross multiply
    6,579.55x = 9,860.68 × 3,117.79
  4. Step 4: Simplify right side
    6,579.55x = 30,743,529.50
  5. Step 5: Solve for x
    x = 30,743,529.50/6,579.55
  6. Step 6: Final answer
    x = 4,672.59

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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.