Home / 4,080.30-6,120.45-3,096.15

Finding the Fourth Proportional to 4,080.30, 6,120.45 and 3,096.15

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Solution

The fourth proportional to 4,080.30, 6,120.45 and 3,096.15 is: 4,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.30 : 6,120.45 = 3,096.15 : x
  2. Step 2: Convert to fraction form
    4,080.30/6,120.45 = 3,096.15/x
  3. Step 3: Cross multiply
    4,080.30x = 6,120.45 × 3,096.15
  4. Step 4: Simplify right side
    4,080.30x = 18,949,831.27
  5. Step 5: Solve for x
    x = 18,949,831.27/4,080.30
  6. Step 6: Final answer
    x = 4,644.23

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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.