Home / 4,272.10-5,886.75-3,151.26

Finding the Fourth Proportional to 4,272.10, 5,886.75 and 3,151.26

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Solution

The fourth proportional to 4,272.10, 5,886.75 and 3,151.26 is: 4,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.10 : 5,886.75 = 3,151.26 : x
  2. Step 2: Convert to fraction form
    4,272.10/5,886.75 = 3,151.26/x
  3. Step 3: Cross multiply
    4,272.10x = 5,886.75 × 3,151.26
  4. Step 4: Simplify right side
    4,272.10x = 18,550,694.52
  5. Step 5: Solve for x
    x = 18,550,694.52/4,272.10
  6. Step 6: Final answer
    x = 4,342.29

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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.