Home / 6,928.80-10,394.58-1,998.48

Finding the Fourth Proportional to 6,928.80, 10,394.58 and 1,998.48

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Solution

The fourth proportional to 6,928.80, 10,394.58 and 1,998.48 is: 2,998.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.80 : 10,394.58 = 1,998.48 : x
  2. Step 2: Convert to fraction form
    6,928.80/10,394.58 = 1,998.48/x
  3. Step 3: Cross multiply
    6,928.80x = 10,394.58 × 1,998.48
  4. Step 4: Simplify right side
    6,928.80x = 20,773,360.24
  5. Step 5: Solve for x
    x = 20,773,360.24/6,928.80
  6. Step 6: Final answer
    x = 2,998.12

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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.