Home / 6,401.73-9,603.90-3,629.64

Finding the Fourth Proportional to 6,401.73, 9,603.90 and 3,629.64

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Solution

The fourth proportional to 6,401.73, 9,603.90 and 3,629.64 is: 5,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.73 : 9,603.90 = 3,629.64 : x
  2. Step 2: Convert to fraction form
    6,401.73/9,603.90 = 3,629.64/x
  3. Step 3: Cross multiply
    6,401.73x = 9,603.90 × 3,629.64
  4. Step 4: Simplify right side
    6,401.73x = 34,858,699.60
  5. Step 5: Solve for x
    x = 34,858,699.60/6,401.73
  6. Step 6: Final answer
    x = 5,445.20

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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.