Home / 9,081.16-13,620.10-2,505.72

Finding the Fourth Proportional to 9,081.16, 13,620.10 and 2,505.72

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Solution

The fourth proportional to 9,081.16, 13,620.10 and 2,505.72 is: 3,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.16 : 13,620.10 = 2,505.72 : x
  2. Step 2: Convert to fraction form
    9,081.16/13,620.10 = 2,505.72/x
  3. Step 3: Cross multiply
    9,081.16x = 13,620.10 × 2,505.72
  4. Step 4: Simplify right side
    9,081.16x = 34,128,156.97
  5. Step 5: Solve for x
    x = 34,128,156.97/9,081.16
  6. Step 6: Final answer
    x = 3,758.13

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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.