Home / 7,660.15-11,491.85-2,662.67

Finding the Fourth Proportional to 7,660.15, 11,491.85 and 2,662.67

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Solution

The fourth proportional to 7,660.15, 11,491.85 and 2,662.67 is: 3,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.15 : 11,491.85 = 2,662.67 : x
  2. Step 2: Convert to fraction form
    7,660.15/11,491.85 = 2,662.67/x
  3. Step 3: Cross multiply
    7,660.15x = 11,491.85 × 2,662.67
  4. Step 4: Simplify right side
    7,660.15x = 30,599,039.63
  5. Step 5: Solve for x
    x = 30,599,039.63/7,660.15
  6. Step 6: Final answer
    x = 3,994.58

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1.5x scale

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.