Home / 4,192.44-6,288.65-1,270.74

Finding the Fourth Proportional to 4,192.44, 6,288.65 and 1,270.74

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Solution

The fourth proportional to 4,192.44, 6,288.65 and 1,270.74 is: 1,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.44 : 6,288.65 = 1,270.74 : x
  2. Step 2: Convert to fraction form
    4,192.44/6,288.65 = 1,270.74/x
  3. Step 3: Cross multiply
    4,192.44x = 6,288.65 × 1,270.74
  4. Step 4: Simplify right side
    4,192.44x = 7,991,232.75
  5. Step 5: Solve for x
    x = 7,991,232.75/4,192.44
  6. Step 6: Final answer
    x = 1,906.11

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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.