Home / 4,648.96-6,416.69-2,879.50

Finding the Fourth Proportional to 4,648.96, 6,416.69 and 2,879.50

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Solution

The fourth proportional to 4,648.96, 6,416.69 and 2,879.50 is: 3,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.96 : 6,416.69 = 2,879.50 : x
  2. Step 2: Convert to fraction form
    4,648.96/6,416.69 = 2,879.50/x
  3. Step 3: Cross multiply
    4,648.96x = 6,416.69 × 2,879.50
  4. Step 4: Simplify right side
    4,648.96x = 18,476,858.86
  5. Step 5: Solve for x
    x = 18,476,858.86/4,648.96
  6. Step 6: Final answer
    x = 3,974.41

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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.