Home / 5,731.80-8,597.70-1,836.50

Finding the Fourth Proportional to 5,731.80, 8,597.70 and 1,836.50

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Solution

The fourth proportional to 5,731.80, 8,597.70 and 1,836.50 is: 2,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.80 : 8,597.70 = 1,836.50 : x
  2. Step 2: Convert to fraction form
    5,731.80/8,597.70 = 1,836.50/x
  3. Step 3: Cross multiply
    5,731.80x = 8,597.70 × 1,836.50
  4. Step 4: Simplify right side
    5,731.80x = 15,789,676.05
  5. Step 5: Solve for x
    x = 15,789,676.05/5,731.80
  6. Step 6: Final answer
    x = 2,754.75

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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.