Home / 4,086.75-6,130.99-1,489.69

Finding the Fourth Proportional to 4,086.75, 6,130.99 and 1,489.69

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Solution

The fourth proportional to 4,086.75, 6,130.99 and 1,489.69 is: 2,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.75 : 6,130.99 = 1,489.69 : x
  2. Step 2: Convert to fraction form
    4,086.75/6,130.99 = 1,489.69/x
  3. Step 3: Cross multiply
    4,086.75x = 6,130.99 × 1,489.69
  4. Step 4: Simplify right side
    4,086.75x = 9,133,284.02
  5. Step 5: Solve for x
    x = 9,133,284.02/4,086.75
  6. Step 6: Final answer
    x = 2,234.85

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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.