Home / 7,818.37-11,723.42-5,866.47

Finding the Fourth Proportional to 7,818.37, 11,723.42 and 5,866.47

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Solution

The fourth proportional to 7,818.37, 11,723.42 and 5,866.47 is: 8,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.37 : 11,723.42 = 5,866.47 : x
  2. Step 2: Convert to fraction form
    7,818.37/11,723.42 = 5,866.47/x
  3. Step 3: Cross multiply
    7,818.37x = 11,723.42 × 5,866.47
  4. Step 4: Simplify right side
    7,818.37x = 68,775,106.39
  5. Step 5: Solve for x
    x = 68,775,106.39/7,818.37
  6. Step 6: Final answer
    x = 8,796.61

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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.