Home / 8,768.35-13,139.61-4,324.69

Finding the Fourth Proportional to 8,768.35, 13,139.61 and 4,324.69

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Solution

The fourth proportional to 8,768.35, 13,139.61 and 4,324.69 is: 6,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.35 : 13,139.61 = 4,324.69 : x
  2. Step 2: Convert to fraction form
    8,768.35/13,139.61 = 4,324.69/x
  3. Step 3: Cross multiply
    8,768.35x = 13,139.61 × 4,324.69
  4. Step 4: Simplify right side
    8,768.35x = 56,824,739.97
  5. Step 5: Solve for x
    x = 56,824,739.97/8,768.35
  6. Step 6: Final answer
    x = 6,480.67

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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.