Home / 4,387.75-6,574.33-3,086.48

Finding the Fourth Proportional to 4,387.75, 6,574.33 and 3,086.48

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Solution

The fourth proportional to 4,387.75, 6,574.33 and 3,086.48 is: 4,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.75 : 6,574.33 = 3,086.48 : x
  2. Step 2: Convert to fraction form
    4,387.75/6,574.33 = 3,086.48/x
  3. Step 3: Cross multiply
    4,387.75x = 6,574.33 × 3,086.48
  4. Step 4: Simplify right side
    4,387.75x = 20,291,546.78
  5. Step 5: Solve for x
    x = 20,291,546.78/4,387.75
  6. Step 6: Final answer
    x = 4,624.59

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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.