Home / 5,483.43-8,222.45-2,520.99

Finding the Fourth Proportional to 5,483.43, 8,222.45 and 2,520.99

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Solution

The fourth proportional to 5,483.43, 8,222.45 and 2,520.99 is: 3,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.43 : 8,222.45 = 2,520.99 : x
  2. Step 2: Convert to fraction form
    5,483.43/8,222.45 = 2,520.99/x
  3. Step 3: Cross multiply
    5,483.43x = 8,222.45 × 2,520.99
  4. Step 4: Simplify right side
    5,483.43x = 20,728,701.62
  5. Step 5: Solve for x
    x = 20,728,701.62/5,483.43
  6. Step 6: Final answer
    x = 3,780.24

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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.