Home / 4,128.03-6,190.49-1,354.05

Finding the Fourth Proportional to 4,128.03, 6,190.49 and 1,354.05

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Solution

The fourth proportional to 4,128.03, 6,190.49 and 1,354.05 is: 2,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.03 : 6,190.49 = 1,354.05 : x
  2. Step 2: Convert to fraction form
    4,128.03/6,190.49 = 1,354.05/x
  3. Step 3: Cross multiply
    4,128.03x = 6,190.49 × 1,354.05
  4. Step 4: Simplify right side
    4,128.03x = 8,382,236.37
  5. Step 5: Solve for x
    x = 8,382,236.37/4,128.03
  6. Step 6: Final answer
    x = 2,030.57

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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.