Home / 6,122.76-8,448.98-3,433.78

Finding the Fourth Proportional to 6,122.76, 8,448.98 and 3,433.78

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Solution

The fourth proportional to 6,122.76, 8,448.98 and 3,433.78 is: 4,738.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.76 : 8,448.98 = 3,433.78 : x
  2. Step 2: Convert to fraction form
    6,122.76/8,448.98 = 3,433.78/x
  3. Step 3: Cross multiply
    6,122.76x = 8,448.98 × 3,433.78
  4. Step 4: Simplify right side
    6,122.76x = 29,011,884.41
  5. Step 5: Solve for x
    x = 29,011,884.41/6,122.76
  6. Step 6: Final answer
    x = 4,738.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.