Home / 4,127.49-6,190.62-1,356.38

Finding the Fourth Proportional to 4,127.49, 6,190.62 and 1,356.38

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Solution

The fourth proportional to 4,127.49, 6,190.62 and 1,356.38 is: 2,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.49 : 6,190.62 = 1,356.38 : x
  2. Step 2: Convert to fraction form
    4,127.49/6,190.62 = 1,356.38/x
  3. Step 3: Cross multiply
    4,127.49x = 6,190.62 × 1,356.38
  4. Step 4: Simplify right side
    4,127.49x = 8,396,802.20
  5. Step 5: Solve for x
    x = 8,396,802.20/4,127.49
  6. Step 6: Final answer
    x = 2,034.36

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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.