Home / 4,078.63-6,119.97-1,615.22

Finding the Fourth Proportional to 4,078.63, 6,119.97 and 1,615.22

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Solution

The fourth proportional to 4,078.63, 6,119.97 and 1,615.22 is: 2,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.63 : 6,119.97 = 1,615.22 : x
  2. Step 2: Convert to fraction form
    4,078.63/6,119.97 = 1,615.22/x
  3. Step 3: Cross multiply
    4,078.63x = 6,119.97 × 1,615.22
  4. Step 4: Simplify right side
    4,078.63x = 9,885,097.94
  5. Step 5: Solve for x
    x = 9,885,097.94/4,078.63
  6. Step 6: Final answer
    x = 2,423.63

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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.