Home / 7,771.23-11,660.29-4,072.58

Finding the Fourth Proportional to 7,771.23, 11,660.29 and 4,072.58

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Solution

The fourth proportional to 7,771.23, 11,660.29 and 4,072.58 is: 6,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.23 : 11,660.29 = 4,072.58 : x
  2. Step 2: Convert to fraction form
    7,771.23/11,660.29 = 4,072.58/x
  3. Step 3: Cross multiply
    7,771.23x = 11,660.29 × 4,072.58
  4. Step 4: Simplify right side
    7,771.23x = 47,487,439.09
  5. Step 5: Solve for x
    x = 47,487,439.09/7,771.23
  6. Step 6: Final answer
    x = 6,110.67

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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.