Home / 4,203.13-6,305.38-1,280.75

Finding the Fourth Proportional to 4,203.13, 6,305.38 and 1,280.75

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Solution

The fourth proportional to 4,203.13, 6,305.38 and 1,280.75 is: 1,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.13 : 6,305.38 = 1,280.75 : x
  2. Step 2: Convert to fraction form
    4,203.13/6,305.38 = 1,280.75/x
  3. Step 3: Cross multiply
    4,203.13x = 6,305.38 × 1,280.75
  4. Step 4: Simplify right side
    4,203.13x = 8,075,615.44
  5. Step 5: Solve for x
    x = 8,075,615.44/4,203.13
  6. Step 6: Final answer
    x = 1,921.33

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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.