Home / 9,286.30-13,931.72-2,712.44

Finding the Fourth Proportional to 9,286.30, 13,931.72 and 2,712.44

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Solution

The fourth proportional to 9,286.30, 13,931.72 and 2,712.44 is: 4,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.30 : 13,931.72 = 2,712.44 : x
  2. Step 2: Convert to fraction form
    9,286.30/13,931.72 = 2,712.44/x
  3. Step 3: Cross multiply
    9,286.30x = 13,931.72 × 2,712.44
  4. Step 4: Simplify right side
    9,286.30x = 37,788,915.30
  5. Step 5: Solve for x
    x = 37,788,915.30/9,286.30
  6. Step 6: Final answer
    x = 4,069.32

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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.