Home / 7,156.04-10,732.83-1,960.70

Finding the Fourth Proportional to 7,156.04, 10,732.83 and 1,960.70

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Solution

The fourth proportional to 7,156.04, 10,732.83 and 1,960.70 is: 2,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.04 : 10,732.83 = 1,960.70 : x
  2. Step 2: Convert to fraction form
    7,156.04/10,732.83 = 1,960.70/x
  3. Step 3: Cross multiply
    7,156.04x = 10,732.83 × 1,960.70
  4. Step 4: Simplify right side
    7,156.04x = 21,043,806.12
  5. Step 5: Solve for x
    x = 21,043,806.12/7,156.04
  6. Step 6: Final answer
    x = 2,940.71

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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.