Home / 6,928.90-10,394.12-1,998.56

Finding the Fourth Proportional to 6,928.90, 10,394.12 and 1,998.56

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Solution

The fourth proportional to 6,928.90, 10,394.12 and 1,998.56 is: 2,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.90 : 10,394.12 = 1,998.56 : x
  2. Step 2: Convert to fraction form
    6,928.90/10,394.12 = 1,998.56/x
  3. Step 3: Cross multiply
    6,928.90x = 10,394.12 × 1,998.56
  4. Step 4: Simplify right side
    6,928.90x = 20,773,303.45
  5. Step 5: Solve for x
    x = 20,773,303.45/6,928.90
  6. Step 6: Final answer
    x = 2,998.07

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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.