Home / 4,285.86-6,431.66-1,512.54

Finding the Fourth Proportional to 4,285.86, 6,431.66 and 1,512.54

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Solution

The fourth proportional to 4,285.86, 6,431.66 and 1,512.54 is: 2,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.86 : 6,431.66 = 1,512.54 : x
  2. Step 2: Convert to fraction form
    4,285.86/6,431.66 = 1,512.54/x
  3. Step 3: Cross multiply
    4,285.86x = 6,431.66 × 1,512.54
  4. Step 4: Simplify right side
    4,285.86x = 9,728,135.45
  5. Step 5: Solve for x
    x = 9,728,135.45/4,285.86
  6. Step 6: Final answer
    x = 2,269.82

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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.