Home / 5,403.63-8,107.80-1,896.15

Finding the Fourth Proportional to 5,403.63, 8,107.80 and 1,896.15

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Solution

The fourth proportional to 5,403.63, 8,107.80 and 1,896.15 is: 2,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.63 : 8,107.80 = 1,896.15 : x
  2. Step 2: Convert to fraction form
    5,403.63/8,107.80 = 1,896.15/x
  3. Step 3: Cross multiply
    5,403.63x = 8,107.80 × 1,896.15
  4. Step 4: Simplify right side
    5,403.63x = 15,373,604.97
  5. Step 5: Solve for x
    x = 15,373,604.97/5,403.63
  6. Step 6: Final answer
    x = 2,845.05

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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.