Home / 4,975.60-6,863.52-2,879.44

Finding the Fourth Proportional to 4,975.60, 6,863.52 and 2,879.44

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Solution

The fourth proportional to 4,975.60, 6,863.52 and 2,879.44 is: 3,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.60 : 6,863.52 = 2,879.44 : x
  2. Step 2: Convert to fraction form
    4,975.60/6,863.52 = 2,879.44/x
  3. Step 3: Cross multiply
    4,975.60x = 6,863.52 × 2,879.44
  4. Step 4: Simplify right side
    4,975.60x = 19,763,094.03
  5. Step 5: Solve for x
    x = 19,763,094.03/4,975.60
  6. Step 6: Final answer
    x = 3,972.00

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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.