Home / 4,087.17-6,131.36-1,489.50

Finding the Fourth Proportional to 4,087.17, 6,131.36 and 1,489.50

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Solution

The fourth proportional to 4,087.17, 6,131.36 and 1,489.50 is: 2,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.17 : 6,131.36 = 1,489.50 : x
  2. Step 2: Convert to fraction form
    4,087.17/6,131.36 = 1,489.50/x
  3. Step 3: Cross multiply
    4,087.17x = 6,131.36 × 1,489.50
  4. Step 4: Simplify right side
    4,087.17x = 9,132,664.44
  5. Step 5: Solve for x
    x = 9,132,664.44/4,087.17
  6. Step 6: Final answer
    x = 2,234.47

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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.