Home / 7,579.35-11,370.56-3,196.80

Finding the Fourth Proportional to 7,579.35, 11,370.56 and 3,196.80

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Solution

The fourth proportional to 7,579.35, 11,370.56 and 3,196.80 is: 4,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.35 : 11,370.56 = 3,196.80 : x
  2. Step 2: Convert to fraction form
    7,579.35/11,370.56 = 3,196.80/x
  3. Step 3: Cross multiply
    7,579.35x = 11,370.56 × 3,196.80
  4. Step 4: Simplify right side
    7,579.35x = 36,349,390.22
  5. Step 5: Solve for x
    x = 36,349,390.22/7,579.35
  6. Step 6: Final answer
    x = 4,795.85

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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.