Home / 4,843.36-6,683.36-2,980.32

Finding the Fourth Proportional to 4,843.36, 6,683.36 and 2,980.32

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Solution

The fourth proportional to 4,843.36, 6,683.36 and 2,980.32 is: 4,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.36 : 6,683.36 = 2,980.32 : x
  2. Step 2: Convert to fraction form
    4,843.36/6,683.36 = 2,980.32/x
  3. Step 3: Cross multiply
    4,843.36x = 6,683.36 × 2,980.32
  4. Step 4: Simplify right side
    4,843.36x = 19,918,551.48
  5. Step 5: Solve for x
    x = 19,918,551.48/4,843.36
  6. Step 6: Final answer
    x = 4,112.55

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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.