Home / 5,084.33-7,012.44-3,405.20

Finding the Fourth Proportional to 5,084.33, 7,012.44 and 3,405.20

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Solution

The fourth proportional to 5,084.33, 7,012.44 and 3,405.20 is: 4,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.33 : 7,012.44 = 3,405.20 : x
  2. Step 2: Convert to fraction form
    5,084.33/7,012.44 = 3,405.20/x
  3. Step 3: Cross multiply
    5,084.33x = 7,012.44 × 3,405.20
  4. Step 4: Simplify right side
    5,084.33x = 23,878,725.63
  5. Step 5: Solve for x
    x = 23,878,725.63/5,084.33
  6. Step 6: Final answer
    x = 4,696.54

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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.