Home / 4,440.88-6,128.29-2,451.39

Finding the Fourth Proportional to 4,440.88, 6,128.29 and 2,451.39

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Solution

The fourth proportional to 4,440.88, 6,128.29 and 2,451.39 is: 3,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.88 : 6,128.29 = 2,451.39 : x
  2. Step 2: Convert to fraction form
    4,440.88/6,128.29 = 2,451.39/x
  3. Step 3: Cross multiply
    4,440.88x = 6,128.29 × 2,451.39
  4. Step 4: Simplify right side
    4,440.88x = 15,022,798.18
  5. Step 5: Solve for x
    x = 15,022,798.18/4,440.88
  6. Step 6: Final answer
    x = 3,382.85

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.