Home / 7,943.86-11,916.60-2,748.52

Finding the Fourth Proportional to 7,943.86, 11,916.60 and 2,748.52

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Solution

The fourth proportional to 7,943.86, 11,916.60 and 2,748.52 is: 4,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.86 : 11,916.60 = 2,748.52 : x
  2. Step 2: Convert to fraction form
    7,943.86/11,916.60 = 2,748.52/x
  3. Step 3: Cross multiply
    7,943.86x = 11,916.60 × 2,748.52
  4. Step 4: Simplify right side
    7,943.86x = 32,753,013.43
  5. Step 5: Solve for x
    x = 32,753,013.43/7,943.86
  6. Step 6: Final answer
    x = 4,123.06

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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.