Home / 4,648.44-6,412.68-2,879.40

Finding the Fourth Proportional to 4,648.44, 6,412.68 and 2,879.40

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Solution

The fourth proportional to 4,648.44, 6,412.68 and 2,879.40 is: 3,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.44 : 6,412.68 = 2,879.40 : x
  2. Step 2: Convert to fraction form
    4,648.44/6,412.68 = 2,879.40/x
  3. Step 3: Cross multiply
    4,648.44x = 6,412.68 × 2,879.40
  4. Step 4: Simplify right side
    4,648.44x = 18,464,670.79
  5. Step 5: Solve for x
    x = 18,464,670.79/4,648.44
  6. Step 6: Final answer
    x = 3,972.23

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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.