Home / 9,129.31-13,692.94-2,556.01

Finding the Fourth Proportional to 9,129.31, 13,692.94 and 2,556.01

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Solution

The fourth proportional to 9,129.31, 13,692.94 and 2,556.01 is: 3,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.31 : 13,692.94 = 2,556.01 : x
  2. Step 2: Convert to fraction form
    9,129.31/13,692.94 = 2,556.01/x
  3. Step 3: Cross multiply
    9,129.31x = 13,692.94 × 2,556.01
  4. Step 4: Simplify right side
    9,129.31x = 34,999,221.68
  5. Step 5: Solve for x
    x = 34,999,221.68/9,129.31
  6. Step 6: Final answer
    x = 3,833.72

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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.