Home / 4,289.86-6,431.01-2,825.92

Finding the Fourth Proportional to 4,289.86, 6,431.01 and 2,825.92

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Solution

The fourth proportional to 4,289.86, 6,431.01 and 2,825.92 is: 4,236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.86 : 6,431.01 = 2,825.92 : x
  2. Step 2: Convert to fraction form
    4,289.86/6,431.01 = 2,825.92/x
  3. Step 3: Cross multiply
    4,289.86x = 6,431.01 × 2,825.92
  4. Step 4: Simplify right side
    4,289.86x = 18,173,519.78
  5. Step 5: Solve for x
    x = 18,173,519.78/4,289.86
  6. Step 6: Final answer
    x = 4,236.39

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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.