Home / 7,640.88-11,461.68-2,711.04

Finding the Fourth Proportional to 7,640.88, 11,461.68 and 2,711.04

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Solution

The fourth proportional to 7,640.88, 11,461.68 and 2,711.04 is: 4,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.88 : 11,461.68 = 2,711.04 : x
  2. Step 2: Convert to fraction form
    7,640.88/11,461.68 = 2,711.04/x
  3. Step 3: Cross multiply
    7,640.88x = 11,461.68 × 2,711.04
  4. Step 4: Simplify right side
    7,640.88x = 31,073,072.95
  5. Step 5: Solve for x
    x = 31,073,072.95/7,640.88
  6. Step 6: Final answer
    x = 4,066.69

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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.