Home / 4,149.36-6,224.64-1,227.28

Finding the Fourth Proportional to 4,149.36, 6,224.64 and 1,227.28

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Solution

The fourth proportional to 4,149.36, 6,224.64 and 1,227.28 is: 1,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.36 : 6,224.64 = 1,227.28 : x
  2. Step 2: Convert to fraction form
    4,149.36/6,224.64 = 1,227.28/x
  3. Step 3: Cross multiply
    4,149.36x = 6,224.64 × 1,227.28
  4. Step 4: Simplify right side
    4,149.36x = 7,639,376.18
  5. Step 5: Solve for x
    x = 7,639,376.18/4,149.36
  6. Step 6: Final answer
    x = 1,841.10

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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.