Home / 8,771.68-13,152.32-2,926.72

Finding the Fourth Proportional to 8,771.68, 13,152.32 and 2,926.72

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Solution

The fourth proportional to 8,771.68, 13,152.32 and 2,926.72 is: 4,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.68 : 13,152.32 = 2,926.72 : x
  2. Step 2: Convert to fraction form
    8,771.68/13,152.32 = 2,926.72/x
  3. Step 3: Cross multiply
    8,771.68x = 13,152.32 × 2,926.72
  4. Step 4: Simplify right side
    8,771.68x = 38,493,157.99
  5. Step 5: Solve for x
    x = 38,493,157.99/8,771.68
  6. Step 6: Final answer
    x = 4,388.34

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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.