Home / 7,918.84-11,879.48-2,723.50

Finding the Fourth Proportional to 7,918.84, 11,879.48 and 2,723.50

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Solution

The fourth proportional to 7,918.84, 11,879.48 and 2,723.50 is: 4,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.84 : 11,879.48 = 2,723.50 : x
  2. Step 2: Convert to fraction form
    7,918.84/11,879.48 = 2,723.50/x
  3. Step 3: Cross multiply
    7,918.84x = 11,879.48 × 2,723.50
  4. Step 4: Simplify right side
    7,918.84x = 32,353,763.78
  5. Step 5: Solve for x
    x = 32,353,763.78/7,918.84
  6. Step 6: Final answer
    x = 4,085.67

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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.