Home / 4,076.20-6,116.70-1,478.80

Finding the Fourth Proportional to 4,076.20, 6,116.70 and 1,478.80

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Solution

The fourth proportional to 4,076.20, 6,116.70 and 1,478.80 is: 2,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.20 : 6,116.70 = 1,478.80 : x
  2. Step 2: Convert to fraction form
    4,076.20/6,116.70 = 1,478.80/x
  3. Step 3: Cross multiply
    4,076.20x = 6,116.70 × 1,478.80
  4. Step 4: Simplify right side
    4,076.20x = 9,045,375.96
  5. Step 5: Solve for x
    x = 9,045,375.96/4,076.20
  6. Step 6: Final answer
    x = 2,219.07

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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.