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Finding the Fourth Proportional to 8,997.51, 13,503.20 and 5,876.67

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Solution

The fourth proportional to 8,997.51, 13,503.20 and 5,876.67 is: 8,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.51 : 13,503.20 = 5,876.67 : x
  2. Step 2: Convert to fraction form
    8,997.51/13,503.20 = 5,876.67/x
  3. Step 3: Cross multiply
    8,997.51x = 13,503.20 × 5,876.67
  4. Step 4: Simplify right side
    8,997.51x = 79,353,850.34
  5. Step 5: Solve for x
    x = 79,353,850.34/8,997.51
  6. Step 6: Final answer
    x = 8,819.53

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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.