Home / 6,138.09-9,205.59-1,755.57

Finding the Fourth Proportional to 6,138.09, 9,205.59 and 1,755.57

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Solution

The fourth proportional to 6,138.09, 9,205.59 and 1,755.57 is: 2,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.09 : 9,205.59 = 1,755.57 : x
  2. Step 2: Convert to fraction form
    6,138.09/9,205.59 = 1,755.57/x
  3. Step 3: Cross multiply
    6,138.09x = 9,205.59 × 1,755.57
  4. Step 4: Simplify right side
    6,138.09x = 16,161,057.64
  5. Step 5: Solve for x
    x = 16,161,057.64/6,138.09
  6. Step 6: Final answer
    x = 2,632.91

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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.