Home / 7,612.25-11,419.58-3,452.09

Finding the Fourth Proportional to 7,612.25, 11,419.58 and 3,452.09

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Solution

The fourth proportional to 7,612.25, 11,419.58 and 3,452.09 is: 5,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.25 : 11,419.58 = 3,452.09 : x
  2. Step 2: Convert to fraction form
    7,612.25/11,419.58 = 3,452.09/x
  3. Step 3: Cross multiply
    7,612.25x = 11,419.58 × 3,452.09
  4. Step 4: Simplify right side
    7,612.25x = 39,421,369.45
  5. Step 5: Solve for x
    x = 39,421,369.45/7,612.25
  6. Step 6: Final answer
    x = 5,178.68

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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.