Home / 6,974.91-10,462.37-1,780.79

Finding the Fourth Proportional to 6,974.91, 10,462.37 and 1,780.79

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Solution

The fourth proportional to 6,974.91, 10,462.37 and 1,780.79 is: 2,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.91 : 10,462.37 = 1,780.79 : x
  2. Step 2: Convert to fraction form
    6,974.91/10,462.37 = 1,780.79/x
  3. Step 3: Cross multiply
    6,974.91x = 10,462.37 × 1,780.79
  4. Step 4: Simplify right side
    6,974.91x = 18,631,222.66
  5. Step 5: Solve for x
    x = 18,631,222.66/6,974.91
  6. Step 6: Final answer
    x = 2,671.18

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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.