Home / 8,165.05-11,266.22-7,749.82

Finding the Fourth Proportional to 8,165.05, 11,266.22 and 7,749.82

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Solution

The fourth proportional to 8,165.05, 11,266.22 and 7,749.82 is: 10,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.05 : 11,266.22 = 7,749.82 : x
  2. Step 2: Convert to fraction form
    8,165.05/11,266.22 = 7,749.82/x
  3. Step 3: Cross multiply
    8,165.05x = 11,266.22 × 7,749.82
  4. Step 4: Simplify right side
    8,165.05x = 87,311,177.08
  5. Step 5: Solve for x
    x = 87,311,177.08/8,165.05
  6. Step 6: Final answer
    x = 10,693.28

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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.