Home / 9,193.78-13,790.67-2,619.96

Finding the Fourth Proportional to 9,193.78, 13,790.67 and 2,619.96

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Solution

The fourth proportional to 9,193.78, 13,790.67 and 2,619.96 is: 3,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.78 : 13,790.67 = 2,619.96 : x
  2. Step 2: Convert to fraction form
    9,193.78/13,790.67 = 2,619.96/x
  3. Step 3: Cross multiply
    9,193.78x = 13,790.67 × 2,619.96
  4. Step 4: Simplify right side
    9,193.78x = 36,130,934.82
  5. Step 5: Solve for x
    x = 36,130,934.82/9,193.78
  6. Step 6: Final answer
    x = 3,929.93

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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.