Home / 7,842.48-11,763.87-2,577.75

Finding the Fourth Proportional to 7,842.48, 11,763.87 and 2,577.75

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Solution

The fourth proportional to 7,842.48, 11,763.87 and 2,577.75 is: 3,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842.48 : 11,763.87 = 2,577.75 : x
  2. Step 2: Convert to fraction form
    7,842.48/11,763.87 = 2,577.75/x
  3. Step 3: Cross multiply
    7,842.48x = 11,763.87 × 2,577.75
  4. Step 4: Simplify right side
    7,842.48x = 30,324,315.89
  5. Step 5: Solve for x
    x = 30,324,315.89/7,842.48
  6. Step 6: Final answer
    x = 3,866.67

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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.