Home / 7,845.54-11,748.87-5,371.80

Finding the Fourth Proportional to 7,845.54, 11,748.87 and 5,371.80

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Solution

The fourth proportional to 7,845.54, 11,748.87 and 5,371.80 is: 8,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.54 : 11,748.87 = 5,371.80 : x
  2. Step 2: Convert to fraction form
    7,845.54/11,748.87 = 5,371.80/x
  3. Step 3: Cross multiply
    7,845.54x = 11,748.87 × 5,371.80
  4. Step 4: Simplify right side
    7,845.54x = 63,112,579.87
  5. Step 5: Solve for x
    x = 63,112,579.87/7,845.54
  6. Step 6: Final answer
    x = 8,044.39

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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.