Home / 3,926.09-5,412.51-3,326.20

Finding the Fourth Proportional to 3,926.09, 5,412.51 and 3,326.20

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Solution

The fourth proportional to 3,926.09, 5,412.51 and 3,326.20 is: 4,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.09 : 5,412.51 = 3,326.20 : x
  2. Step 2: Convert to fraction form
    3,926.09/5,412.51 = 3,326.20/x
  3. Step 3: Cross multiply
    3,926.09x = 5,412.51 × 3,326.20
  4. Step 4: Simplify right side
    3,926.09x = 18,003,077.23
  5. Step 5: Solve for x
    x = 18,003,077.23/3,926.09
  6. Step 6: Final answer
    x = 4,585.49

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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.