Home / 9,126.92-13,692.82-2,887.05

Finding the Fourth Proportional to 9,126.92, 13,692.82 and 2,887.05

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Solution

The fourth proportional to 9,126.92, 13,692.82 and 2,887.05 is: 4,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.92 : 13,692.82 = 2,887.05 : x
  2. Step 2: Convert to fraction form
    9,126.92/13,692.82 = 2,887.05/x
  3. Step 3: Cross multiply
    9,126.92x = 13,692.82 × 2,887.05
  4. Step 4: Simplify right side
    9,126.92x = 39,531,841.55
  5. Step 5: Solve for x
    x = 39,531,841.55/9,126.92
  6. Step 6: Final answer
    x = 4,331.35

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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.