Home / 4,087.65-6,131.49-2,709.74

Finding the Fourth Proportional to 4,087.65, 6,131.49 and 2,709.74

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Solution

The fourth proportional to 4,087.65, 6,131.49 and 2,709.74 is: 4,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.65 : 6,131.49 = 2,709.74 : x
  2. Step 2: Convert to fraction form
    4,087.65/6,131.49 = 2,709.74/x
  3. Step 3: Cross multiply
    4,087.65x = 6,131.49 × 2,709.74
  4. Step 4: Simplify right side
    4,087.65x = 16,614,713.06
  5. Step 5: Solve for x
    x = 16,614,713.06/4,087.65
  6. Step 6: Final answer
    x = 4,064.61

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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.