Home / 5,282.34-7,287.35-3,185.25

Finding the Fourth Proportional to 5,282.34, 7,287.35 and 3,185.25

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Solution

The fourth proportional to 5,282.34, 7,287.35 and 3,185.25 is: 4,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.34 : 7,287.35 = 3,185.25 : x
  2. Step 2: Convert to fraction form
    5,282.34/7,287.35 = 3,185.25/x
  3. Step 3: Cross multiply
    5,282.34x = 7,287.35 × 3,185.25
  4. Step 4: Simplify right side
    5,282.34x = 23,212,015.66
  5. Step 5: Solve for x
    x = 23,212,015.66/5,282.34
  6. Step 6: Final answer
    x = 4,394.27

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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.