Home / 5,125.90-7,692.63-2,206.39

Finding the Fourth Proportional to 5,125.90, 7,692.63 and 2,206.39

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Solution

The fourth proportional to 5,125.90, 7,692.63 and 2,206.39 is: 3,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.90 : 7,692.63 = 2,206.39 : x
  2. Step 2: Convert to fraction form
    5,125.90/7,692.63 = 2,206.39/x
  3. Step 3: Cross multiply
    5,125.90x = 7,692.63 × 2,206.39
  4. Step 4: Simplify right side
    5,125.90x = 16,972,941.91
  5. Step 5: Solve for x
    x = 16,972,941.91/5,125.90
  6. Step 6: Final answer
    x = 3,311.21

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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.