Home / 9,214.08-13,823.49-2,640.72

Finding the Fourth Proportional to 9,214.08, 13,823.49 and 2,640.72

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Solution

The fourth proportional to 9,214.08, 13,823.49 and 2,640.72 is: 3,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.08 : 13,823.49 = 2,640.72 : x
  2. Step 2: Convert to fraction form
    9,214.08/13,823.49 = 2,640.72/x
  3. Step 3: Cross multiply
    9,214.08x = 13,823.49 × 2,640.72
  4. Step 4: Simplify right side
    9,214.08x = 36,503,966.51
  5. Step 5: Solve for x
    x = 36,503,966.51/9,214.08
  6. Step 6: Final answer
    x = 3,961.76

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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.