Home / 7,141.06-10,714.12-3,191.95

Finding the Fourth Proportional to 7,141.06, 10,714.12 and 3,191.95

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Solution

The fourth proportional to 7,141.06, 10,714.12 and 3,191.95 is: 4,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.06 : 10,714.12 = 3,191.95 : x
  2. Step 2: Convert to fraction form
    7,141.06/10,714.12 = 3,191.95/x
  3. Step 3: Cross multiply
    7,141.06x = 10,714.12 × 3,191.95
  4. Step 4: Simplify right side
    7,141.06x = 34,198,935.33
  5. Step 5: Solve for x
    x = 34,198,935.33/7,141.06
  6. Step 6: Final answer
    x = 4,789.06

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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.