Home / 7,879.35-11,815.57-2,333.13

Finding the Fourth Proportional to 7,879.35, 11,815.57 and 2,333.13

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Solution

The fourth proportional to 7,879.35, 11,815.57 and 2,333.13 is: 3,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.35 : 11,815.57 = 2,333.13 : x
  2. Step 2: Convert to fraction form
    7,879.35/11,815.57 = 2,333.13/x
  3. Step 3: Cross multiply
    7,879.35x = 11,815.57 × 2,333.13
  4. Step 4: Simplify right side
    7,879.35x = 27,567,260.83
  5. Step 5: Solve for x
    x = 27,567,260.83/7,879.35
  6. Step 6: Final answer
    x = 3,498.67

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1.5x scale

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.