Home / 4,262.04-5,879.94-3,145.68

Finding the Fourth Proportional to 4,262.04, 5,879.94 and 3,145.68

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Solution

The fourth proportional to 4,262.04, 5,879.94 and 3,145.68 is: 4,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.04 : 5,879.94 = 3,145.68 : x
  2. Step 2: Convert to fraction form
    4,262.04/5,879.94 = 3,145.68/x
  3. Step 3: Cross multiply
    4,262.04x = 5,879.94 × 3,145.68
  4. Step 4: Simplify right side
    4,262.04x = 18,496,409.66
  5. Step 5: Solve for x
    x = 18,496,409.66/4,262.04
  6. Step 6: Final answer
    x = 4,339.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.