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Finding the Fourth Proportional to 8,919.35, 13,375.43 and 5,794.67

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Solution

The fourth proportional to 8,919.35, 13,375.43 and 5,794.67 is: 8,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.35 : 13,375.43 = 5,794.67 : x
  2. Step 2: Convert to fraction form
    8,919.35/13,375.43 = 5,794.67/x
  3. Step 3: Cross multiply
    8,919.35x = 13,375.43 × 5,794.67
  4. Step 4: Simplify right side
    8,919.35x = 77,506,250.88
  5. Step 5: Solve for x
    x = 77,506,250.88/8,919.35
  6. Step 6: Final answer
    x = 8,689.68

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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.