Home / 4,078.06-6,119.13-1,613.02

Finding the Fourth Proportional to 4,078.06, 6,119.13 and 1,613.02

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Solution

The fourth proportional to 4,078.06, 6,119.13 and 1,613.02 is: 2,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.06 : 6,119.13 = 1,613.02 : x
  2. Step 2: Convert to fraction form
    4,078.06/6,119.13 = 1,613.02/x
  3. Step 3: Cross multiply
    4,078.06x = 6,119.13 × 1,613.02
  4. Step 4: Simplify right side
    4,078.06x = 9,870,279.07
  5. Step 5: Solve for x
    x = 9,870,279.07/4,078.06
  6. Step 6: Final answer
    x = 2,420.34

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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.