Home / 7,328.94-10,996.38-3,629.40

Finding the Fourth Proportional to 7,328.94, 10,996.38 and 3,629.40

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Solution

The fourth proportional to 7,328.94, 10,996.38 and 3,629.40 is: 5,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.94 : 10,996.38 = 3,629.40 : x
  2. Step 2: Convert to fraction form
    7,328.94/10,996.38 = 3,629.40/x
  3. Step 3: Cross multiply
    7,328.94x = 10,996.38 × 3,629.40
  4. Step 4: Simplify right side
    7,328.94x = 39,910,261.57
  5. Step 5: Solve for x
    x = 39,910,261.57/7,328.94
  6. Step 6: Final answer
    x = 5,445.57

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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.