Home / 8,977.89-13,462.75-2,738.67

Finding the Fourth Proportional to 8,977.89, 13,462.75 and 2,738.67

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Solution

The fourth proportional to 8,977.89, 13,462.75 and 2,738.67 is: 4,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.89 : 13,462.75 = 2,738.67 : x
  2. Step 2: Convert to fraction form
    8,977.89/13,462.75 = 2,738.67/x
  3. Step 3: Cross multiply
    8,977.89x = 13,462.75 × 2,738.67
  4. Step 4: Simplify right side
    8,977.89x = 36,870,029.54
  5. Step 5: Solve for x
    x = 36,870,029.54/8,977.89
  6. Step 6: Final answer
    x = 4,106.76

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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.