Home / 3,607.20-5,404.32-3,412.80

Finding the Fourth Proportional to 3,607.20, 5,404.32 and 3,412.80

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Solution

The fourth proportional to 3,607.20, 5,404.32 and 3,412.80 is: 5,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.20 : 5,404.32 = 3,412.80 : x
  2. Step 2: Convert to fraction form
    3,607.20/5,404.32 = 3,412.80/x
  3. Step 3: Cross multiply
    3,607.20x = 5,404.32 × 3,412.80
  4. Step 4: Simplify right side
    3,607.20x = 18,443,863.30
  5. Step 5: Solve for x
    x = 18,443,863.30/3,607.20
  6. Step 6: Final answer
    x = 5,113.07

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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.