Home / 7,127.34-10,692.66-2,196.87

Finding the Fourth Proportional to 7,127.34, 10,692.66 and 2,196.87

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Solution

The fourth proportional to 7,127.34, 10,692.66 and 2,196.87 is: 3,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.34 : 10,692.66 = 2,196.87 : x
  2. Step 2: Convert to fraction form
    7,127.34/10,692.66 = 2,196.87/x
  3. Step 3: Cross multiply
    7,127.34x = 10,692.66 × 2,196.87
  4. Step 4: Simplify right side
    7,127.34x = 23,490,383.97
  5. Step 5: Solve for x
    x = 23,490,383.97/7,127.34
  6. Step 6: Final answer
    x = 3,295.81

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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.