Home / 5,410.92-8,115.74-2,488.36

Finding the Fourth Proportional to 5,410.92, 8,115.74 and 2,488.36

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Solution

The fourth proportional to 5,410.92, 8,115.74 and 2,488.36 is: 3,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.92 : 8,115.74 = 2,488.36 : x
  2. Step 2: Convert to fraction form
    5,410.92/8,115.74 = 2,488.36/x
  3. Step 3: Cross multiply
    5,410.92x = 8,115.74 × 2,488.36
  4. Step 4: Simplify right side
    5,410.92x = 20,194,882.79
  5. Step 5: Solve for x
    x = 20,194,882.79/5,410.92
  6. Step 6: Final answer
    x = 3,732.25

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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.