Home / 6,271.35-9,403.79-3,147.99

Finding the Fourth Proportional to 6,271.35, 9,403.79 and 3,147.99

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Solution

The fourth proportional to 6,271.35, 9,403.79 and 3,147.99 is: 4,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.35 : 9,403.79 = 3,147.99 : x
  2. Step 2: Convert to fraction form
    6,271.35/9,403.79 = 3,147.99/x
  3. Step 3: Cross multiply
    6,271.35x = 9,403.79 × 3,147.99
  4. Step 4: Simplify right side
    6,271.35x = 29,603,021.14
  5. Step 5: Solve for x
    x = 29,603,021.14/6,271.35
  6. Step 6: Final answer
    x = 4,720.36

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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.