Home / 4,080.29-6,128.53-3,495.06

Finding the Fourth Proportional to 4,080.29, 6,128.53 and 3,495.06

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Solution

The fourth proportional to 4,080.29, 6,128.53 and 3,495.06 is: 5,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.29 : 6,128.53 = 3,495.06 : x
  2. Step 2: Convert to fraction form
    4,080.29/6,128.53 = 3,495.06/x
  3. Step 3: Cross multiply
    4,080.29x = 6,128.53 × 3,495.06
  4. Step 4: Simplify right side
    4,080.29x = 21,419,571.32
  5. Step 5: Solve for x
    x = 21,419,571.32/4,080.29
  6. Step 6: Final answer
    x = 5,249.53

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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.