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Finding the Fourth Proportional to 4,492.78, 6,733.36 and 3,103.90

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Solution

The fourth proportional to 4,492.78, 6,733.36 and 3,103.90 is: 4,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,492.78 : 6,733.36 = 3,103.90 : x
  2. Step 2: Convert to fraction form
    4,492.78/6,733.36 = 3,103.90/x
  3. Step 3: Cross multiply
    4,492.78x = 6,733.36 × 3,103.90
  4. Step 4: Simplify right side
    4,492.78x = 20,899,676.10
  5. Step 5: Solve for x
    x = 20,899,676.10/4,492.78
  6. Step 6: Final answer
    x = 4,651.84

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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.