Home / 8,109.30-11,191.83-4,572.44

Finding the Fourth Proportional to 8,109.30, 11,191.83 and 4,572.44

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Solution

The fourth proportional to 8,109.30, 11,191.83 and 4,572.44 is: 6,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.30 : 11,191.83 = 4,572.44 : x
  2. Step 2: Convert to fraction form
    8,109.30/11,191.83 = 4,572.44/x
  3. Step 3: Cross multiply
    8,109.30x = 11,191.83 × 4,572.44
  4. Step 4: Simplify right side
    8,109.30x = 51,173,971.17
  5. Step 5: Solve for x
    x = 51,173,971.17/8,109.30
  6. Step 6: Final answer
    x = 6,310.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.