Home / 7,154.88-10,732.08-1,960.56

Finding the Fourth Proportional to 7,154.88, 10,732.08 and 1,960.56

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Solution

The fourth proportional to 7,154.88, 10,732.08 and 1,960.56 is: 2,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.88 : 10,732.08 = 1,960.56 : x
  2. Step 2: Convert to fraction form
    7,154.88/10,732.08 = 1,960.56/x
  3. Step 3: Cross multiply
    7,154.88x = 10,732.08 × 1,960.56
  4. Step 4: Simplify right side
    7,154.88x = 21,040,886.76
  5. Step 5: Solve for x
    x = 21,040,886.76/7,154.88
  6. Step 6: Final answer
    x = 2,940.77

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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.