Home / 4,479-6,181.74-2,615.64

Finding the Fourth Proportional to 4,479, 6,181.74 and 2,615.64

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Solution

The fourth proportional to 4,479, 6,181.74 and 2,615.64 is: 3,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479 : 6,181.74 = 2,615.64 : x
  2. Step 2: Convert to fraction form
    4,479/6,181.74 = 2,615.64/x
  3. Step 3: Cross multiply
    4,479x = 6,181.74 × 2,615.64
  4. Step 4: Simplify right side
    4,479x = 16,169,206.41
  5. Step 5: Solve for x
    x = 16,169,206.41/4,479
  6. Step 6: Final answer
    x = 3,610.00

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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.