Home / 6,211.02-8,571.24-3,378.45

Finding the Fourth Proportional to 6,211.02, 8,571.24 and 3,378.45

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Solution

The fourth proportional to 6,211.02, 8,571.24 and 3,378.45 is: 4,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.02 : 8,571.24 = 3,378.45 : x
  2. Step 2: Convert to fraction form
    6,211.02/8,571.24 = 3,378.45/x
  3. Step 3: Cross multiply
    6,211.02x = 8,571.24 × 3,378.45
  4. Step 4: Simplify right side
    6,211.02x = 28,957,505.78
  5. Step 5: Solve for x
    x = 28,957,505.78/6,211.02
  6. Step 6: Final answer
    x = 4,662.28

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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.