Home / 6,102.08-8,420.80-3,449.60

Finding the Fourth Proportional to 6,102.08, 8,420.80 and 3,449.60

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Solution

The fourth proportional to 6,102.08, 8,420.80 and 3,449.60 is: 4,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.08 : 8,420.80 = 3,449.60 : x
  2. Step 2: Convert to fraction form
    6,102.08/8,420.80 = 3,449.60/x
  3. Step 3: Cross multiply
    6,102.08x = 8,420.80 × 3,449.60
  4. Step 4: Simplify right side
    6,102.08x = 29,048,391.68
  5. Step 5: Solve for x
    x = 29,048,391.68/6,102.08
  6. Step 6: Final answer
    x = 4,760.41

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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.