Home / 4,002.64-6,003.28-1,080.26

Finding the Fourth Proportional to 4,002.64, 6,003.28 and 1,080.26

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Solution

The fourth proportional to 4,002.64, 6,003.28 and 1,080.26 is: 1,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.64 : 6,003.28 = 1,080.26 : x
  2. Step 2: Convert to fraction form
    4,002.64/6,003.28 = 1,080.26/x
  3. Step 3: Cross multiply
    4,002.64x = 6,003.28 × 1,080.26
  4. Step 4: Simplify right side
    4,002.64x = 6,485,103.25
  5. Step 5: Solve for x
    x = 6,485,103.25/4,002.64
  6. Step 6: Final answer
    x = 1,620.21

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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.