Home / 4,255.25-6,383.68-1,332.77

Finding the Fourth Proportional to 4,255.25, 6,383.68 and 1,332.77

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Solution

The fourth proportional to 4,255.25, 6,383.68 and 1,332.77 is: 1,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.25 : 6,383.68 = 1,332.77 : x
  2. Step 2: Convert to fraction form
    4,255.25/6,383.68 = 1,332.77/x
  3. Step 3: Cross multiply
    4,255.25x = 6,383.68 × 1,332.77
  4. Step 4: Simplify right side
    4,255.25x = 8,507,941.94
  5. Step 5: Solve for x
    x = 8,507,941.94/4,255.25
  6. Step 6: Final answer
    x = 1,999.40

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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.