Home / 4,498.78-6,748.57-1,211.80

Finding the Fourth Proportional to 4,498.78, 6,748.57 and 1,211.80

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Solution

The fourth proportional to 4,498.78, 6,748.57 and 1,211.80 is: 1,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.78 : 6,748.57 = 1,211.80 : x
  2. Step 2: Convert to fraction form
    4,498.78/6,748.57 = 1,211.80/x
  3. Step 3: Cross multiply
    4,498.78x = 6,748.57 × 1,211.80
  4. Step 4: Simplify right side
    4,498.78x = 8,177,887.72
  5. Step 5: Solve for x
    x = 8,177,887.72/4,498.78
  6. Step 6: Final answer
    x = 1,817.80

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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.