Home / 9,137.48-13,709.55-3,873.92

Finding the Fourth Proportional to 9,137.48, 13,709.55 and 3,873.92

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Solution

The fourth proportional to 9,137.48, 13,709.55 and 3,873.92 is: 5,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.48 : 13,709.55 = 3,873.92 : x
  2. Step 2: Convert to fraction form
    9,137.48/13,709.55 = 3,873.92/x
  3. Step 3: Cross multiply
    9,137.48x = 13,709.55 × 3,873.92
  4. Step 4: Simplify right side
    9,137.48x = 53,109,699.94
  5. Step 5: Solve for x
    x = 53,109,699.94/9,137.48
  6. Step 6: Final answer
    x = 5,812.29

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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.