Home / 9,155.07-13,732.03-2,919.56

Finding the Fourth Proportional to 9,155.07, 13,732.03 and 2,919.56

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Solution

The fourth proportional to 9,155.07, 13,732.03 and 2,919.56 is: 4,379.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.07 : 13,732.03 = 2,919.56 : x
  2. Step 2: Convert to fraction form
    9,155.07/13,732.03 = 2,919.56/x
  3. Step 3: Cross multiply
    9,155.07x = 13,732.03 × 2,919.56
  4. Step 4: Simplify right side
    9,155.07x = 40,091,409.55
  5. Step 5: Solve for x
    x = 40,091,409.55/9,155.07
  6. Step 6: Final answer
    x = 4,379.15

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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.