Home / 7,958.88-11,938.93-2,412.69

Finding the Fourth Proportional to 7,958.88, 11,938.93 and 2,412.69

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Solution

The fourth proportional to 7,958.88, 11,938.93 and 2,412.69 is: 3,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.88 : 11,938.93 = 2,412.69 : x
  2. Step 2: Convert to fraction form
    7,958.88/11,938.93 = 2,412.69/x
  3. Step 3: Cross multiply
    7,958.88x = 11,938.93 × 2,412.69
  4. Step 4: Simplify right side
    7,958.88x = 28,804,937.02
  5. Step 5: Solve for x
    x = 28,804,937.02/7,958.88
  6. Step 6: Final answer
    x = 3,619.22

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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.