Home / 7,424.51-11,138.69-3,265.32

Finding the Fourth Proportional to 7,424.51, 11,138.69 and 3,265.32

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Solution

The fourth proportional to 7,424.51, 11,138.69 and 3,265.32 is: 4,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.51 : 11,138.69 = 3,265.32 : x
  2. Step 2: Convert to fraction form
    7,424.51/11,138.69 = 3,265.32/x
  3. Step 3: Cross multiply
    7,424.51x = 11,138.69 × 3,265.32
  4. Step 4: Simplify right side
    7,424.51x = 36,371,370.90
  5. Step 5: Solve for x
    x = 36,371,370.90/7,424.51
  6. Step 6: Final answer
    x = 4,898.83

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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.