Home / 5,127.64-7,692.42-1,664.44

Finding the Fourth Proportional to 5,127.64, 7,692.42 and 1,664.44

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Solution

The fourth proportional to 5,127.64, 7,692.42 and 1,664.44 is: 2,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.64 : 7,692.42 = 1,664.44 : x
  2. Step 2: Convert to fraction form
    5,127.64/7,692.42 = 1,664.44/x
  3. Step 3: Cross multiply
    5,127.64x = 7,692.42 × 1,664.44
  4. Step 4: Simplify right side
    5,127.64x = 12,803,571.54
  5. Step 5: Solve for x
    x = 12,803,571.54/5,127.64
  6. Step 6: Final answer
    x = 2,496.97

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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.