Home / 7,141.68-10,708.59-2,209.95

Finding the Fourth Proportional to 7,141.68, 10,708.59 and 2,209.95

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Solution

The fourth proportional to 7,141.68, 10,708.59 and 2,209.95 is: 3,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.68 : 10,708.59 = 2,209.95 : x
  2. Step 2: Convert to fraction form
    7,141.68/10,708.59 = 2,209.95/x
  3. Step 3: Cross multiply
    7,141.68x = 10,708.59 × 2,209.95
  4. Step 4: Simplify right side
    7,141.68x = 23,665,448.47
  5. Step 5: Solve for x
    x = 23,665,448.47/7,141.68
  6. Step 6: Final answer
    x = 3,313.71

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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.