Home / 4,121.02-6,209.77-3,406.60

Finding the Fourth Proportional to 4,121.02, 6,209.77 and 3,406.60

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Solution

The fourth proportional to 4,121.02, 6,209.77 and 3,406.60 is: 5,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.02 : 6,209.77 = 3,406.60 : x
  2. Step 2: Convert to fraction form
    4,121.02/6,209.77 = 3,406.60/x
  3. Step 3: Cross multiply
    4,121.02x = 6,209.77 × 3,406.60
  4. Step 4: Simplify right side
    4,121.02x = 21,154,202.48
  5. Step 5: Solve for x
    x = 21,154,202.48/4,121.02
  6. Step 6: Final answer
    x = 5,133.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.