Home / 4,479-6,181.55-2,687.01

Finding the Fourth Proportional to 4,479, 6,181.55 and 2,687.01

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Solution

The fourth proportional to 4,479, 6,181.55 and 2,687.01 is: 3,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479 : 6,181.55 = 2,687.01 : x
  2. Step 2: Convert to fraction form
    4,479/6,181.55 = 2,687.01/x
  3. Step 3: Cross multiply
    4,479x = 6,181.55 × 2,687.01
  4. Step 4: Simplify right side
    4,479x = 16,609,886.67
  5. Step 5: Solve for x
    x = 16,609,886.67/4,479
  6. Step 6: Final answer
    x = 3,708.39

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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.