Home / 4,440.75-6,128.16-2,451.25

Finding the Fourth Proportional to 4,440.75, 6,128.16 and 2,451.25

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Solution

The fourth proportional to 4,440.75, 6,128.16 and 2,451.25 is: 3,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.75 : 6,128.16 = 2,451.25 : x
  2. Step 2: Convert to fraction form
    4,440.75/6,128.16 = 2,451.25/x
  3. Step 3: Cross multiply
    4,440.75x = 6,128.16 × 2,451.25
  4. Step 4: Simplify right side
    4,440.75x = 15,021,650.67
  5. Step 5: Solve for x
    x = 15,021,650.67/4,440.75
  6. Step 6: Final answer
    x = 3,382.69

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Half 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.