Home / 7,951.37-11,927.18-2,686.43

Finding the Fourth Proportional to 7,951.37, 11,927.18 and 2,686.43

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Solution

The fourth proportional to 7,951.37, 11,927.18 and 2,686.43 is: 4,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.37 : 11,927.18 = 2,686.43 : x
  2. Step 2: Convert to fraction form
    7,951.37/11,927.18 = 2,686.43/x
  3. Step 3: Cross multiply
    7,951.37x = 11,927.18 × 2,686.43
  4. Step 4: Simplify right side
    7,951.37x = 32,041,570.70
  5. Step 5: Solve for x
    x = 32,041,570.70/7,951.37
  6. Step 6: Final answer
    x = 4,029.69

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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.