Home / 7,889.47-11,840.32-2,963.59

Finding the Fourth Proportional to 7,889.47, 11,840.32 and 2,963.59

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Solution

The fourth proportional to 7,889.47, 11,840.32 and 2,963.59 is: 4,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.47 : 11,840.32 = 2,963.59 : x
  2. Step 2: Convert to fraction form
    7,889.47/11,840.32 = 2,963.59/x
  3. Step 3: Cross multiply
    7,889.47x = 11,840.32 × 2,963.59
  4. Step 4: Simplify right side
    7,889.47x = 35,089,828.05
  5. Step 5: Solve for x
    x = 35,089,828.05/7,889.47
  6. Step 6: Final answer
    x = 4,447.68

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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.