Home / 7,452.90-11,179.05-3,502.74

Finding the Fourth Proportional to 7,452.90, 11,179.05 and 3,502.74

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Solution

The fourth proportional to 7,452.90, 11,179.05 and 3,502.74 is: 5,253.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.90 : 11,179.05 = 3,502.74 : x
  2. Step 2: Convert to fraction form
    7,452.90/11,179.05 = 3,502.74/x
  3. Step 3: Cross multiply
    7,452.90x = 11,179.05 × 3,502.74
  4. Step 4: Simplify right side
    7,452.90x = 39,157,305.60
  5. Step 5: Solve for x
    x = 39,157,305.60/7,452.90
  6. Step 6: Final answer
    x = 5,253.97

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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.