Home / 4,087.25-6,131.93-1,314.32

Finding the Fourth Proportional to 4,087.25, 6,131.93 and 1,314.32

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Solution

The fourth proportional to 4,087.25, 6,131.93 and 1,314.32 is: 1,971.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.25 : 6,131.93 = 1,314.32 : x
  2. Step 2: Convert to fraction form
    4,087.25/6,131.93 = 1,314.32/x
  3. Step 3: Cross multiply
    4,087.25x = 6,131.93 × 1,314.32
  4. Step 4: Simplify right side
    4,087.25x = 8,059,281.01
  5. Step 5: Solve for x
    x = 8,059,281.01/4,087.25
  6. Step 6: Final answer
    x = 1,971.81

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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.