Home / 6,401.48-9,603.53-3,629.39

Finding the Fourth Proportional to 6,401.48, 9,603.53 and 3,629.39

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Solution

The fourth proportional to 6,401.48, 9,603.53 and 3,629.39 is: 5,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.48 : 9,603.53 = 3,629.39 : x
  2. Step 2: Convert to fraction form
    6,401.48/9,603.53 = 3,629.39/x
  3. Step 3: Cross multiply
    6,401.48x = 9,603.53 × 3,629.39
  4. Step 4: Simplify right side
    6,401.48x = 34,854,955.75
  5. Step 5: Solve for x
    x = 34,854,955.75/6,401.48
  6. Step 6: Final answer
    x = 5,444.83

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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.