Home / 8,928.23-13,389.24-3,661.75

Finding the Fourth Proportional to 8,928.23, 13,389.24 and 3,661.75

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Solution

The fourth proportional to 8,928.23, 13,389.24 and 3,661.75 is: 5,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.23 : 13,389.24 = 3,661.75 : x
  2. Step 2: Convert to fraction form
    8,928.23/13,389.24 = 3,661.75/x
  3. Step 3: Cross multiply
    8,928.23x = 13,389.24 × 3,661.75
  4. Step 4: Simplify right side
    8,928.23x = 49,028,029.83
  5. Step 5: Solve for x
    x = 49,028,029.83/8,928.23
  6. Step 6: Final answer
    x = 5,491.35

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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.