Home / 4,079.80-6,119.70-4,036.60

Finding the Fourth Proportional to 4,079.80, 6,119.70 and 4,036.60

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Solution

The fourth proportional to 4,079.80, 6,119.70 and 4,036.60 is: 6,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.80 : 6,119.70 = 4,036.60 : x
  2. Step 2: Convert to fraction form
    4,079.80/6,119.70 = 4,036.60/x
  3. Step 3: Cross multiply
    4,079.80x = 6,119.70 × 4,036.60
  4. Step 4: Simplify right side
    4,079.80x = 24,702,781.02
  5. Step 5: Solve for x
    x = 24,702,781.02/4,079.80
  6. Step 6: Final answer
    x = 6,054.90

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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.