Home / 9,108.15-13,666.28-3,268.95

Finding the Fourth Proportional to 9,108.15, 13,666.28 and 3,268.95

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Solution

The fourth proportional to 9,108.15, 13,666.28 and 3,268.95 is: 4,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.15 : 13,666.28 = 3,268.95 : x
  2. Step 2: Convert to fraction form
    9,108.15/13,666.28 = 3,268.95/x
  3. Step 3: Cross multiply
    9,108.15x = 13,666.28 × 3,268.95
  4. Step 4: Simplify right side
    9,108.15x = 44,674,369.66
  5. Step 5: Solve for x
    x = 44,674,369.66/9,108.15
  6. Step 6: Final answer
    x = 4,904.88

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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.