Home / 4,087.12-6,131.94-1,490.44

Finding the Fourth Proportional to 4,087.12, 6,131.94 and 1,490.44

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Solution

The fourth proportional to 4,087.12, 6,131.94 and 1,490.44 is: 2,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.12 : 6,131.94 = 1,490.44 : x
  2. Step 2: Convert to fraction form
    4,087.12/6,131.94 = 1,490.44/x
  3. Step 3: Cross multiply
    4,087.12x = 6,131.94 × 1,490.44
  4. Step 4: Simplify right side
    4,087.12x = 9,139,288.65
  5. Step 5: Solve for x
    x = 9,139,288.65/4,087.12
  6. Step 6: Final answer
    x = 2,236.12

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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.