Home / 4,262.86-6,392.26-1,339.57

Finding the Fourth Proportional to 4,262.86, 6,392.26 and 1,339.57

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Solution

The fourth proportional to 4,262.86, 6,392.26 and 1,339.57 is: 2,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.86 : 6,392.26 = 1,339.57 : x
  2. Step 2: Convert to fraction form
    4,262.86/6,392.26 = 1,339.57/x
  3. Step 3: Cross multiply
    4,262.86x = 6,392.26 × 1,339.57
  4. Step 4: Simplify right side
    4,262.86x = 8,562,879.73
  5. Step 5: Solve for x
    x = 8,562,879.73/4,262.86
  6. Step 6: Final answer
    x = 2,008.72

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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.