Home / 5,879.75-8,114.43-3,395.75

Finding the Fourth Proportional to 5,879.75, 8,114.43 and 3,395.75

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Solution

The fourth proportional to 5,879.75, 8,114.43 and 3,395.75 is: 4,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.75 : 8,114.43 = 3,395.75 : x
  2. Step 2: Convert to fraction form
    5,879.75/8,114.43 = 3,395.75/x
  3. Step 3: Cross multiply
    5,879.75x = 8,114.43 × 3,395.75
  4. Step 4: Simplify right side
    5,879.75x = 27,554,575.67
  5. Step 5: Solve for x
    x = 27,554,575.67/5,879.75
  6. Step 6: Final answer
    x = 4,686.35

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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.