Home / 4,218.75-6,327.90-1,297.07

Finding the Fourth Proportional to 4,218.75, 6,327.90 and 1,297.07

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Solution

The fourth proportional to 4,218.75, 6,327.90 and 1,297.07 is: 1,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.75 : 6,327.90 = 1,297.07 : x
  2. Step 2: Convert to fraction form
    4,218.75/6,327.90 = 1,297.07/x
  3. Step 3: Cross multiply
    4,218.75x = 6,327.90 × 1,297.07
  4. Step 4: Simplify right side
    4,218.75x = 8,207,729.25
  5. Step 5: Solve for x
    x = 8,207,729.25/4,218.75
  6. Step 6: Final answer
    x = 1,945.54

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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.