Home / 8,778.05-13,170.36-4,558.67

Finding the Fourth Proportional to 8,778.05, 13,170.36 and 4,558.67

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Solution

The fourth proportional to 8,778.05, 13,170.36 and 4,558.67 is: 6,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.05 : 13,170.36 = 4,558.67 : x
  2. Step 2: Convert to fraction form
    8,778.05/13,170.36 = 4,558.67/x
  3. Step 3: Cross multiply
    8,778.05x = 13,170.36 × 4,558.67
  4. Step 4: Simplify right side
    8,778.05x = 60,039,325.02
  5. Step 5: Solve for x
    x = 60,039,325.02/8,778.05
  6. Step 6: Final answer
    x = 6,839.71

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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.