Home / 6,909.21-10,362.80-2,228.60

Finding the Fourth Proportional to 6,909.21, 10,362.80 and 2,228.60

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Solution

The fourth proportional to 6,909.21, 10,362.80 and 2,228.60 is: 3,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.21 : 10,362.80 = 2,228.60 : x
  2. Step 2: Convert to fraction form
    6,909.21/10,362.80 = 2,228.60/x
  3. Step 3: Cross multiply
    6,909.21x = 10,362.80 × 2,228.60
  4. Step 4: Simplify right side
    6,909.21x = 23,094,567.56
  5. Step 5: Solve for x
    x = 23,094,567.56/6,909.21
  6. Step 6: Final answer
    x = 3,342.58

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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.