Home / 5,578.62-8,371.92-2,459.40

Finding the Fourth Proportional to 5,578.62, 8,371.92 and 2,459.40

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Solution

The fourth proportional to 5,578.62, 8,371.92 and 2,459.40 is: 3,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.62 : 8,371.92 = 2,459.40 : x
  2. Step 2: Convert to fraction form
    5,578.62/8,371.92 = 2,459.40/x
  3. Step 3: Cross multiply
    5,578.62x = 8,371.92 × 2,459.40
  4. Step 4: Simplify right side
    5,578.62x = 20,589,900.05
  5. Step 5: Solve for x
    x = 20,589,900.05/5,578.62
  6. Step 6: Final answer
    x = 3,690.86

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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.