Home / 7,918.84-11,873.87-3,242.14

Finding the Fourth Proportional to 7,918.84, 11,873.87 and 3,242.14

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Solution

The fourth proportional to 7,918.84, 11,873.87 and 3,242.14 is: 4,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.84 : 11,873.87 = 3,242.14 : x
  2. Step 2: Convert to fraction form
    7,918.84/11,873.87 = 3,242.14/x
  3. Step 3: Cross multiply
    7,918.84x = 11,873.87 × 3,242.14
  4. Step 4: Simplify right side
    7,918.84x = 38,496,748.88
  5. Step 5: Solve for x
    x = 38,496,748.88/7,918.84
  6. Step 6: Final answer
    x = 4,861.41

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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.