Home / 5,129.83-7,692.01-2,658.52

Finding the Fourth Proportional to 5,129.83, 7,692.01 and 2,658.52

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Solution

The fourth proportional to 5,129.83, 7,692.01 and 2,658.52 is: 3,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.83 : 7,692.01 = 2,658.52 : x
  2. Step 2: Convert to fraction form
    5,129.83/7,692.01 = 2,658.52/x
  3. Step 3: Cross multiply
    5,129.83x = 7,692.01 × 2,658.52
  4. Step 4: Simplify right side
    5,129.83x = 20,449,349.13
  5. Step 5: Solve for x
    x = 20,449,349.13/5,129.83
  6. Step 6: Final answer
    x = 3,986.36

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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.