Home / 6,138.24-9,200.80-3,020.32

Finding the Fourth Proportional to 6,138.24, 9,200.80 and 3,020.32

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Solution

The fourth proportional to 6,138.24, 9,200.80 and 3,020.32 is: 4,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.24 : 9,200.80 = 3,020.32 : x
  2. Step 2: Convert to fraction form
    6,138.24/9,200.80 = 3,020.32/x
  3. Step 3: Cross multiply
    6,138.24x = 9,200.80 × 3,020.32
  4. Step 4: Simplify right side
    6,138.24x = 27,789,360.26
  5. Step 5: Solve for x
    x = 27,789,360.26/6,138.24
  6. Step 6: Final answer
    x = 4,527.25

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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.