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Finding the Fourth Proportional to 8,910, 13,360.10 and 6,102.07

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Solution

The fourth proportional to 8,910, 13,360.10 and 6,102.07 is: 9,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910 : 13,360.10 = 6,102.07 : x
  2. Step 2: Convert to fraction form
    8,910/13,360.10 = 6,102.07/x
  3. Step 3: Cross multiply
    8,910x = 13,360.10 × 6,102.07
  4. Step 4: Simplify right side
    8,910x = 81,524,201.50
  5. Step 5: Solve for x
    x = 81,524,201.50/8,910
  6. Step 6: Final answer
    x = 9,149.74

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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.