Home / 6,401.20-9,603.16-3,629.20

Finding the Fourth Proportional to 6,401.20, 9,603.16 and 3,629.20

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Solution

The fourth proportional to 6,401.20, 9,603.16 and 3,629.20 is: 5,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.20 : 9,603.16 = 3,629.20 : x
  2. Step 2: Convert to fraction form
    6,401.20/9,603.16 = 3,629.20/x
  3. Step 3: Cross multiply
    6,401.20x = 9,603.16 × 3,629.20
  4. Step 4: Simplify right side
    6,401.20x = 34,851,788.27
  5. Step 5: Solve for x
    x = 34,851,788.27/6,401.20
  6. Step 6: Final answer
    x = 5,444.57

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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.