Home / 8,020.05-12,021.43-4,555.41

Finding the Fourth Proportional to 8,020.05, 12,021.43 and 4,555.41

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Solution

The fourth proportional to 8,020.05, 12,021.43 and 4,555.41 is: 6,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.05 : 12,021.43 = 4,555.41 : x
  2. Step 2: Convert to fraction form
    8,020.05/12,021.43 = 4,555.41/x
  3. Step 3: Cross multiply
    8,020.05x = 12,021.43 × 4,555.41
  4. Step 4: Simplify right side
    8,020.05x = 54,762,542.44
  5. Step 5: Solve for x
    x = 54,762,542.44/8,020.05
  6. Step 6: Final answer
    x = 6,828.20

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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.