Home / 4,192.09-6,288.14-1,270.24

Finding the Fourth Proportional to 4,192.09, 6,288.14 and 1,270.24

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Solution

The fourth proportional to 4,192.09, 6,288.14 and 1,270.24 is: 1,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.09 : 6,288.14 = 1,270.24 : x
  2. Step 2: Convert to fraction form
    4,192.09/6,288.14 = 1,270.24/x
  3. Step 3: Cross multiply
    4,192.09x = 6,288.14 × 1,270.24
  4. Step 4: Simplify right side
    4,192.09x = 7,987,446.95
  5. Step 5: Solve for x
    x = 7,987,446.95/4,192.09
  6. Step 6: Final answer
    x = 1,905.36

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Double scale
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Similar ratio
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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.