Home / 8,020.32-12,030.62-2,755.29

Finding the Fourth Proportional to 8,020.32, 12,030.62 and 2,755.29

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Solution

The fourth proportional to 8,020.32, 12,030.62 and 2,755.29 is: 4,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.32 : 12,030.62 = 2,755.29 : x
  2. Step 2: Convert to fraction form
    8,020.32/12,030.62 = 2,755.29/x
  3. Step 3: Cross multiply
    8,020.32x = 12,030.62 × 2,755.29
  4. Step 4: Simplify right side
    8,020.32x = 33,147,846.98
  5. Step 5: Solve for x
    x = 33,147,846.98/8,020.32
  6. Step 6: Final answer
    x = 4,132.98

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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.