Home / 4,130.04-6,179.40-4,119.60

Finding the Fourth Proportional to 4,130.04, 6,179.40 and 4,119.60

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Solution

The fourth proportional to 4,130.04, 6,179.40 and 4,119.60 is: 6,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.04 : 6,179.40 = 4,119.60 : x
  2. Step 2: Convert to fraction form
    4,130.04/6,179.40 = 4,119.60/x
  3. Step 3: Cross multiply
    4,130.04x = 6,179.40 × 4,119.60
  4. Step 4: Simplify right side
    4,130.04x = 25,456,656.24
  5. Step 5: Solve for x
    x = 25,456,656.24/4,130.04
  6. Step 6: Final answer
    x = 6,163.78

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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.