Home / 5,258.25-7,890.08-2,661.26

Finding the Fourth Proportional to 5,258.25, 7,890.08 and 2,661.26

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Solution

The fourth proportional to 5,258.25, 7,890.08 and 2,661.26 is: 3,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.25 : 7,890.08 = 2,661.26 : x
  2. Step 2: Convert to fraction form
    5,258.25/7,890.08 = 2,661.26/x
  3. Step 3: Cross multiply
    5,258.25x = 7,890.08 × 2,661.26
  4. Step 4: Simplify right side
    5,258.25x = 20,997,501.54
  5. Step 5: Solve for x
    x = 20,997,501.54/5,258.25
  6. Step 6: Final answer
    x = 3,993.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.