Home / 7,836.77-11,755.03-3,156.67

Finding the Fourth Proportional to 7,836.77, 11,755.03 and 3,156.67

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Solution

The fourth proportional to 7,836.77, 11,755.03 and 3,156.67 is: 4,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.77 : 11,755.03 = 3,156.67 : x
  2. Step 2: Convert to fraction form
    7,836.77/11,755.03 = 3,156.67/x
  3. Step 3: Cross multiply
    7,836.77x = 11,755.03 × 3,156.67
  4. Step 4: Simplify right side
    7,836.77x = 37,106,713.27
  5. Step 5: Solve for x
    x = 37,106,713.27/7,836.77
  6. Step 6: Final answer
    x = 4,734.95

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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.