Home / 5,521.31-8,284.23-2,399.71

Finding the Fourth Proportional to 5,521.31, 8,284.23 and 2,399.71

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Solution

The fourth proportional to 5,521.31, 8,284.23 and 2,399.71 is: 3,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.31 : 8,284.23 = 2,399.71 : x
  2. Step 2: Convert to fraction form
    5,521.31/8,284.23 = 2,399.71/x
  3. Step 3: Cross multiply
    5,521.31x = 8,284.23 × 2,399.71
  4. Step 4: Simplify right side
    5,521.31x = 19,879,728.86
  5. Step 5: Solve for x
    x = 19,879,728.86/5,521.31
  6. Step 6: Final answer
    x = 3,600.54

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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.