Home / 8,109.20-11,189.00-4,924.18

Finding the Fourth Proportional to 8,109.20, 11,189.00 and 4,924.18

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Solution

The fourth proportional to 8,109.20, 11,189.00 and 4,924.18 is: 6,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.20 : 11,189.00 = 4,924.18 : x
  2. Step 2: Convert to fraction form
    8,109.20/11,189.00 = 4,924.18/x
  3. Step 3: Cross multiply
    8,109.20x = 11,189.00 × 4,924.18
  4. Step 4: Simplify right side
    8,109.20x = 55,096,676.32
  5. Step 5: Solve for x
    x = 55,096,676.32/8,109.20
  6. Step 6: Final answer
    x = 6,794.34

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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.