Home / 4,076.51-6,116.78-1,613.09

Finding the Fourth Proportional to 4,076.51, 6,116.78 and 1,613.09

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Solution

The fourth proportional to 4,076.51, 6,116.78 and 1,613.09 is: 2,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.51 : 6,116.78 = 1,613.09 : x
  2. Step 2: Convert to fraction form
    4,076.51/6,116.78 = 1,613.09/x
  3. Step 3: Cross multiply
    4,076.51x = 6,116.78 × 1,613.09
  4. Step 4: Simplify right side
    4,076.51x = 9,866,935.97
  5. Step 5: Solve for x
    x = 9,866,935.97/4,076.51
  6. Step 6: Final answer
    x = 2,420.44

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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.