Home / 4,636.26-6,398.40-2,647.44

Finding the Fourth Proportional to 4,636.26, 6,398.40 and 2,647.44

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Solution

The fourth proportional to 4,636.26, 6,398.40 and 2,647.44 is: 3,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.26 : 6,398.40 = 2,647.44 : x
  2. Step 2: Convert to fraction form
    4,636.26/6,398.40 = 2,647.44/x
  3. Step 3: Cross multiply
    4,636.26x = 6,398.40 × 2,647.44
  4. Step 4: Simplify right side
    4,636.26x = 16,939,380.10
  5. Step 5: Solve for x
    x = 16,939,380.10/4,636.26
  6. Step 6: Final answer
    x = 3,653.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.