Home / 4,272.26-6,410.10-2,080.40

Finding the Fourth Proportional to 4,272.26, 6,410.10 and 2,080.40

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Solution

The fourth proportional to 4,272.26, 6,410.10 and 2,080.40 is: 3,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.26 : 6,410.10 = 2,080.40 : x
  2. Step 2: Convert to fraction form
    4,272.26/6,410.10 = 2,080.40/x
  3. Step 3: Cross multiply
    4,272.26x = 6,410.10 × 2,080.40
  4. Step 4: Simplify right side
    4,272.26x = 13,335,572.04
  5. Step 5: Solve for x
    x = 13,335,572.04/4,272.26
  6. Step 6: Final answer
    x = 3,121.43

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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.