Home / 7,189.08-10,785.33-2,258.72

Finding the Fourth Proportional to 7,189.08, 10,785.33 and 2,258.72

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Solution

The fourth proportional to 7,189.08, 10,785.33 and 2,258.72 is: 3,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.08 : 10,785.33 = 2,258.72 : x
  2. Step 2: Convert to fraction form
    7,189.08/10,785.33 = 2,258.72/x
  3. Step 3: Cross multiply
    7,189.08x = 10,785.33 × 2,258.72
  4. Step 4: Simplify right side
    7,189.08x = 24,360,986.65
  5. Step 5: Solve for x
    x = 24,360,986.65/7,189.08
  6. Step 6: Final answer
    x = 3,388.61

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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.