Home / 9,214.35-13,821.53-2,640.57

Finding the Fourth Proportional to 9,214.35, 13,821.53 and 2,640.57

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Solution

The fourth proportional to 9,214.35, 13,821.53 and 2,640.57 is: 3,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.35 : 13,821.53 = 2,640.57 : x
  2. Step 2: Convert to fraction form
    9,214.35/13,821.53 = 2,640.57/x
  3. Step 3: Cross multiply
    9,214.35x = 13,821.53 × 2,640.57
  4. Step 4: Simplify right side
    9,214.35x = 36,496,717.47
  5. Step 5: Solve for x
    x = 36,496,717.47/9,214.35
  6. Step 6: Final answer
    x = 3,960.86

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1.5x scale

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.