Home / 9,146.12-13,709.46-3,880.04

Finding the Fourth Proportional to 9,146.12, 13,709.46 and 3,880.04

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Solution

The fourth proportional to 9,146.12, 13,709.46 and 3,880.04 is: 5,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.12 : 13,709.46 = 3,880.04 : x
  2. Step 2: Convert to fraction form
    9,146.12/13,709.46 = 3,880.04/x
  3. Step 3: Cross multiply
    9,146.12x = 13,709.46 × 3,880.04
  4. Step 4: Simplify right side
    9,146.12x = 53,193,253.18
  5. Step 5: Solve for x
    x = 53,193,253.18/9,146.12
  6. Step 6: Final answer
    x = 5,815.94

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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.