Home / 5,331.82-7,998.46-1,820.88

Finding the Fourth Proportional to 5,331.82, 7,998.46 and 1,820.88

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Solution

The fourth proportional to 5,331.82, 7,998.46 and 1,820.88 is: 2,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.82 : 7,998.46 = 1,820.88 : x
  2. Step 2: Convert to fraction form
    5,331.82/7,998.46 = 1,820.88/x
  3. Step 3: Cross multiply
    5,331.82x = 7,998.46 × 1,820.88
  4. Step 4: Simplify right side
    5,331.82x = 14,564,235.84
  5. Step 5: Solve for x
    x = 14,564,235.84/5,331.82
  6. Step 6: Final answer
    x = 2,731.57

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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.