Home / 5,481.52-8,222.72-1,783.66

Finding the Fourth Proportional to 5,481.52, 8,222.72 and 1,783.66

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Solution

The fourth proportional to 5,481.52, 8,222.72 and 1,783.66 is: 2,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.52 : 8,222.72 = 1,783.66 : x
  2. Step 2: Convert to fraction form
    5,481.52/8,222.72 = 1,783.66/x
  3. Step 3: Cross multiply
    5,481.52x = 8,222.72 × 1,783.66
  4. Step 4: Simplify right side
    5,481.52x = 14,666,536.76
  5. Step 5: Solve for x
    x = 14,666,536.76/5,481.52
  6. Step 6: Final answer
    x = 2,675.63

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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.