Home / 4,170.37-6,255.56-1,918.68

Finding the Fourth Proportional to 4,170.37, 6,255.56 and 1,918.68

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Solution

The fourth proportional to 4,170.37, 6,255.56 and 1,918.68 is: 2,878.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.37 : 6,255.56 = 1,918.68 : x
  2. Step 2: Convert to fraction form
    4,170.37/6,255.56 = 1,918.68/x
  3. Step 3: Cross multiply
    4,170.37x = 6,255.56 × 1,918.68
  4. Step 4: Simplify right side
    4,170.37x = 12,002,417.86
  5. Step 5: Solve for x
    x = 12,002,417.86/4,170.37
  6. Step 6: Final answer
    x = 2,878.02

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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.