Home / 8,795.12-13,186.30-4,112.51

Finding the Fourth Proportional to 8,795.12, 13,186.30 and 4,112.51

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Solution

The fourth proportional to 8,795.12, 13,186.30 and 4,112.51 is: 6,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.12 : 13,186.30 = 4,112.51 : x
  2. Step 2: Convert to fraction form
    8,795.12/13,186.30 = 4,112.51/x
  3. Step 3: Cross multiply
    8,795.12x = 13,186.30 × 4,112.51
  4. Step 4: Simplify right side
    8,795.12x = 54,228,790.61
  5. Step 5: Solve for x
    x = 54,228,790.61/8,795.12
  6. Step 6: Final answer
    x = 6,165.78

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1.5x scale

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.