Home / 6,328.72-9,487.32-2,628.64

Finding the Fourth Proportional to 6,328.72, 9,487.32 and 2,628.64

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Solution

The fourth proportional to 6,328.72, 9,487.32 and 2,628.64 is: 3,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.72 : 9,487.32 = 2,628.64 : x
  2. Step 2: Convert to fraction form
    6,328.72/9,487.32 = 2,628.64/x
  3. Step 3: Cross multiply
    6,328.72x = 9,487.32 × 2,628.64
  4. Step 4: Simplify right side
    6,328.72x = 24,938,748.84
  5. Step 5: Solve for x
    x = 24,938,748.84/6,328.72
  6. Step 6: Final answer
    x = 3,940.57

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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.