Home / 7,926.71-11,890.03-2,380.03

Finding the Fourth Proportional to 7,926.71, 11,890.03 and 2,380.03

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Solution

The fourth proportional to 7,926.71, 11,890.03 and 2,380.03 is: 3,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.71 : 11,890.03 = 2,380.03 : x
  2. Step 2: Convert to fraction form
    7,926.71/11,890.03 = 2,380.03/x
  3. Step 3: Cross multiply
    7,926.71x = 11,890.03 × 2,380.03
  4. Step 4: Simplify right side
    7,926.71x = 28,298,628.10
  5. Step 5: Solve for x
    x = 28,298,628.10/7,926.71
  6. Step 6: Final answer
    x = 3,570.03

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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.