Home / 7,967.88-11,951.87-2,421.27

Finding the Fourth Proportional to 7,967.88, 11,951.87 and 2,421.27

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Solution

The fourth proportional to 7,967.88, 11,951.87 and 2,421.27 is: 3,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.88 : 11,951.87 = 2,421.27 : x
  2. Step 2: Convert to fraction form
    7,967.88/11,951.87 = 2,421.27/x
  3. Step 3: Cross multiply
    7,967.88x = 11,951.87 × 2,421.27
  4. Step 4: Simplify right side
    7,967.88x = 28,938,692.17
  5. Step 5: Solve for x
    x = 28,938,692.17/7,967.88
  6. Step 6: Final answer
    x = 3,631.92

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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.