Home / 4,520.44-6,780.46-1,400.20

Finding the Fourth Proportional to 4,520.44, 6,780.46 and 1,400.20

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Solution

The fourth proportional to 4,520.44, 6,780.46 and 1,400.20 is: 2,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.44 : 6,780.46 = 1,400.20 : x
  2. Step 2: Convert to fraction form
    4,520.44/6,780.46 = 1,400.20/x
  3. Step 3: Cross multiply
    4,520.44x = 6,780.46 × 1,400.20
  4. Step 4: Simplify right side
    4,520.44x = 9,494,000.09
  5. Step 5: Solve for x
    x = 9,494,000.09/4,520.44
  6. Step 6: Final answer
    x = 2,100.24

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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.