Home / 7,980.58-11,967.33-3,046.75

Finding the Fourth Proportional to 7,980.58, 11,967.33 and 3,046.75

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Solution

The fourth proportional to 7,980.58, 11,967.33 and 3,046.75 is: 4,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.58 : 11,967.33 = 3,046.75 : x
  2. Step 2: Convert to fraction form
    7,980.58/11,967.33 = 3,046.75/x
  3. Step 3: Cross multiply
    7,980.58x = 11,967.33 × 3,046.75
  4. Step 4: Simplify right side
    7,980.58x = 36,461,462.68
  5. Step 5: Solve for x
    x = 36,461,462.68/7,980.58
  6. Step 6: Final answer
    x = 4,568.77

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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.