Home / 4,393.68-6,589.48-1,618.85

Finding the Fourth Proportional to 4,393.68, 6,589.48 and 1,618.85

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Solution

The fourth proportional to 4,393.68, 6,589.48 and 1,618.85 is: 2,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.68 : 6,589.48 = 1,618.85 : x
  2. Step 2: Convert to fraction form
    4,393.68/6,589.48 = 1,618.85/x
  3. Step 3: Cross multiply
    4,393.68x = 6,589.48 × 1,618.85
  4. Step 4: Simplify right side
    4,393.68x = 10,667,346.75
  5. Step 5: Solve for x
    x = 10,667,346.75/4,393.68
  6. Step 6: Final answer
    x = 2,427.88

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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.