Home / 7,889.37-11,835.18-2,622.65

Finding the Fourth Proportional to 7,889.37, 11,835.18 and 2,622.65

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Solution

The fourth proportional to 7,889.37, 11,835.18 and 2,622.65 is: 3,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.37 : 11,835.18 = 2,622.65 : x
  2. Step 2: Convert to fraction form
    7,889.37/11,835.18 = 2,622.65/x
  3. Step 3: Cross multiply
    7,889.37x = 11,835.18 × 2,622.65
  4. Step 4: Simplify right side
    7,889.37x = 31,039,475.65
  5. Step 5: Solve for x
    x = 31,039,475.65/7,889.37
  6. Step 6: Final answer
    x = 3,934.34

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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.