Home / 4,087.73-6,131.49-1,314.41

Finding the Fourth Proportional to 4,087.73, 6,131.49 and 1,314.41

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Solution

The fourth proportional to 4,087.73, 6,131.49 and 1,314.41 is: 1,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.73 : 6,131.49 = 1,314.41 : x
  2. Step 2: Convert to fraction form
    4,087.73/6,131.49 = 1,314.41/x
  3. Step 3: Cross multiply
    4,087.73x = 6,131.49 × 1,314.41
  4. Step 4: Simplify right side
    4,087.73x = 8,059,261.11
  5. Step 5: Solve for x
    x = 8,059,261.11/4,087.73
  6. Step 6: Final answer
    x = 1,971.58

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Double scale
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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.