Home / 5,260.26-7,258.62-3,021.60

Finding the Fourth Proportional to 5,260.26, 7,258.62 and 3,021.60

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Solution

The fourth proportional to 5,260.26, 7,258.62 and 3,021.60 is: 4,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.26 : 7,258.62 = 3,021.60 : x
  2. Step 2: Convert to fraction form
    5,260.26/7,258.62 = 3,021.60/x
  3. Step 3: Cross multiply
    5,260.26x = 7,258.62 × 3,021.60
  4. Step 4: Simplify right side
    5,260.26x = 21,932,646.19
  5. Step 5: Solve for x
    x = 21,932,646.19/5,260.26
  6. Step 6: Final answer
    x = 4,169.50

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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.