Home / 6,278.45-9,407.03-4,168.60

Finding the Fourth Proportional to 6,278.45, 9,407.03 and 4,168.60

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Solution

The fourth proportional to 6,278.45, 9,407.03 and 4,168.60 is: 6,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.45 : 9,407.03 = 4,168.60 : x
  2. Step 2: Convert to fraction form
    6,278.45/9,407.03 = 4,168.60/x
  3. Step 3: Cross multiply
    6,278.45x = 9,407.03 × 4,168.60
  4. Step 4: Simplify right side
    6,278.45x = 39,214,145.26
  5. Step 5: Solve for x
    x = 39,214,145.26/6,278.45
  6. Step 6: Final answer
    x = 6,245.83

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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.