Home / 4,192.32-6,288.28-1,270.85

Finding the Fourth Proportional to 4,192.32, 6,288.28 and 1,270.85

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Solution

The fourth proportional to 4,192.32, 6,288.28 and 1,270.85 is: 1,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.32 : 6,288.28 = 1,270.85 : x
  2. Step 2: Convert to fraction form
    4,192.32/6,288.28 = 1,270.85/x
  3. Step 3: Cross multiply
    4,192.32x = 6,288.28 × 1,270.85
  4. Step 4: Simplify right side
    4,192.32x = 7,991,460.64
  5. Step 5: Solve for x
    x = 7,991,460.64/4,192.32
  6. Step 6: Final answer
    x = 1,906.21

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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.