Home / 7,885.48-11,828.28-3,501.76

Finding the Fourth Proportional to 7,885.48, 11,828.28 and 3,501.76

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Solution

The fourth proportional to 7,885.48, 11,828.28 and 3,501.76 is: 5,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.48 : 11,828.28 = 3,501.76 : x
  2. Step 2: Convert to fraction form
    7,885.48/11,828.28 = 3,501.76/x
  3. Step 3: Cross multiply
    7,885.48x = 11,828.28 × 3,501.76
  4. Step 4: Simplify right side
    7,885.48x = 41,419,797.77
  5. Step 5: Solve for x
    x = 41,419,797.77/7,885.48
  6. Step 6: Final answer
    x = 5,252.67

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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.