Home / 4,178.20-6,266.06-1,255.72

Finding the Fourth Proportional to 4,178.20, 6,266.06 and 1,255.72

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Solution

The fourth proportional to 4,178.20, 6,266.06 and 1,255.72 is: 1,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.20 : 6,266.06 = 1,255.72 : x
  2. Step 2: Convert to fraction form
    4,178.20/6,266.06 = 1,255.72/x
  3. Step 3: Cross multiply
    4,178.20x = 6,266.06 × 1,255.72
  4. Step 4: Simplify right side
    4,178.20x = 7,868,416.86
  5. Step 5: Solve for x
    x = 7,868,416.86/4,178.20
  6. Step 6: Final answer
    x = 1,883.21

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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.