Home / 7,716.03-11,571.65-2,785.03

Finding the Fourth Proportional to 7,716.03, 11,571.65 and 2,785.03

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Solution

The fourth proportional to 7,716.03, 11,571.65 and 2,785.03 is: 4,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.03 : 11,571.65 = 2,785.03 : x
  2. Step 2: Convert to fraction form
    7,716.03/11,571.65 = 2,785.03/x
  3. Step 3: Cross multiply
    7,716.03x = 11,571.65 × 2,785.03
  4. Step 4: Simplify right side
    7,716.03x = 32,227,327.58
  5. Step 5: Solve for x
    x = 32,227,327.58/7,716.03
  6. Step 6: Final answer
    x = 4,176.67

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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.