Home / 8,105.10-11,186.15-4,749.26

Finding the Fourth Proportional to 8,105.10, 11,186.15 and 4,749.26

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Solution

The fourth proportional to 8,105.10, 11,186.15 and 4,749.26 is: 6,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.10 : 11,186.15 = 4,749.26 : x
  2. Step 2: Convert to fraction form
    8,105.10/11,186.15 = 4,749.26/x
  3. Step 3: Cross multiply
    8,105.10x = 11,186.15 × 4,749.26
  4. Step 4: Simplify right side
    8,105.10x = 53,125,855.07
  5. Step 5: Solve for x
    x = 53,125,855.07/8,105.10
  6. Step 6: Final answer
    x = 6,554.62

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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.