Home / 6,538.44-9,812.50-3,078.12

Finding the Fourth Proportional to 6,538.44, 9,812.50 and 3,078.12

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Solution

The fourth proportional to 6,538.44, 9,812.50 and 3,078.12 is: 4,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.44 : 9,812.50 = 3,078.12 : x
  2. Step 2: Convert to fraction form
    6,538.44/9,812.50 = 3,078.12/x
  3. Step 3: Cross multiply
    6,538.44x = 9,812.50 × 3,078.12
  4. Step 4: Simplify right side
    6,538.44x = 30,204,052.50
  5. Step 5: Solve for x
    x = 30,204,052.50/6,538.44
  6. Step 6: Final answer
    x = 4,619.46

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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.