Home / 8,980.37-13,464.93-2,738.31

Finding the Fourth Proportional to 8,980.37, 13,464.93 and 2,738.31

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Solution

The fourth proportional to 8,980.37, 13,464.93 and 2,738.31 is: 4,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.37 : 13,464.93 = 2,738.31 : x
  2. Step 2: Convert to fraction form
    8,980.37/13,464.93 = 2,738.31/x
  3. Step 3: Cross multiply
    8,980.37x = 13,464.93 × 2,738.31
  4. Step 4: Simplify right side
    8,980.37x = 36,871,112.24
  5. Step 5: Solve for x
    x = 36,871,112.24/8,980.37
  6. Step 6: Final answer
    x = 4,105.75

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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.