Home / 7,837.35-11,748.53-2,905.67

Finding the Fourth Proportional to 7,837.35, 11,748.53 and 2,905.67

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Solution

The fourth proportional to 7,837.35, 11,748.53 and 2,905.67 is: 4,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.35 : 11,748.53 = 2,905.67 : x
  2. Step 2: Convert to fraction form
    7,837.35/11,748.53 = 2,905.67/x
  3. Step 3: Cross multiply
    7,837.35x = 11,748.53 × 2,905.67
  4. Step 4: Simplify right side
    7,837.35x = 34,137,351.17
  5. Step 5: Solve for x
    x = 34,137,351.17/7,837.35
  6. Step 6: Final answer
    x = 4,355.73

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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.