Home / 5,998.79-8,278.40-3,481.09

Finding the Fourth Proportional to 5,998.79, 8,278.40 and 3,481.09

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Solution

The fourth proportional to 5,998.79, 8,278.40 and 3,481.09 is: 4,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.79 : 8,278.40 = 3,481.09 : x
  2. Step 2: Convert to fraction form
    5,998.79/8,278.40 = 3,481.09/x
  3. Step 3: Cross multiply
    5,998.79x = 8,278.40 × 3,481.09
  4. Step 4: Simplify right side
    5,998.79x = 28,817,855.46
  5. Step 5: Solve for x
    x = 28,817,855.46/5,998.79
  6. Step 6: Final answer
    x = 4,803.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.