Home / 9,128.53-13,692.82-2,554.77

Finding the Fourth Proportional to 9,128.53, 13,692.82 and 2,554.77

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Solution

The fourth proportional to 9,128.53, 13,692.82 and 2,554.77 is: 3,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.53 : 13,692.82 = 2,554.77 : x
  2. Step 2: Convert to fraction form
    9,128.53/13,692.82 = 2,554.77/x
  3. Step 3: Cross multiply
    9,128.53x = 13,692.82 × 2,554.77
  4. Step 4: Simplify right side
    9,128.53x = 34,982,005.75
  5. Step 5: Solve for x
    x = 34,982,005.75/9,128.53
  6. Step 6: Final answer
    x = 3,832.16

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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.