Home / 7,873.38-11,805.53-3,916.59

Finding the Fourth Proportional to 7,873.38, 11,805.53 and 3,916.59

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Solution

The fourth proportional to 7,873.38, 11,805.53 and 3,916.59 is: 5,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.38 : 11,805.53 = 3,916.59 : x
  2. Step 2: Convert to fraction form
    7,873.38/11,805.53 = 3,916.59/x
  3. Step 3: Cross multiply
    7,873.38x = 11,805.53 × 3,916.59
  4. Step 4: Simplify right side
    7,873.38x = 46,237,356.89
  5. Step 5: Solve for x
    x = 46,237,356.89/7,873.38
  6. Step 6: Final answer
    x = 5,872.62

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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.