Home / 8,928.69-13,399.08-3,664.65

Finding the Fourth Proportional to 8,928.69, 13,399.08 and 3,664.65

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Solution

The fourth proportional to 8,928.69, 13,399.08 and 3,664.65 is: 5,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.69 : 13,399.08 = 3,664.65 : x
  2. Step 2: Convert to fraction form
    8,928.69/13,399.08 = 3,664.65/x
  3. Step 3: Cross multiply
    8,928.69x = 13,399.08 × 3,664.65
  4. Step 4: Simplify right side
    8,928.69x = 49,102,862.36
  5. Step 5: Solve for x
    x = 49,102,862.36/8,928.69
  6. Step 6: Final answer
    x = 5,499.45

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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.