Home / 9,126.79-13,692.62-2,886.96

Finding the Fourth Proportional to 9,126.79, 13,692.62 and 2,886.96

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Solution

The fourth proportional to 9,126.79, 13,692.62 and 2,886.96 is: 4,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.79 : 13,692.62 = 2,886.96 : x
  2. Step 2: Convert to fraction form
    9,126.79/13,692.62 = 2,886.96/x
  3. Step 3: Cross multiply
    9,126.79x = 13,692.62 × 2,886.96
  4. Step 4: Simplify right side
    9,126.79x = 39,530,046.24
  5. Step 5: Solve for x
    x = 39,530,046.24/9,126.79
  6. Step 6: Final answer
    x = 4,331.21

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1.5x scale

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.