Home / 5,458.32-8,186.40-3,268.08

Finding the Fourth Proportional to 5,458.32, 8,186.40 and 3,268.08

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Solution

The fourth proportional to 5,458.32, 8,186.40 and 3,268.08 is: 4,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.32 : 8,186.40 = 3,268.08 : x
  2. Step 2: Convert to fraction form
    5,458.32/8,186.40 = 3,268.08/x
  3. Step 3: Cross multiply
    5,458.32x = 8,186.40 × 3,268.08
  4. Step 4: Simplify right side
    5,458.32x = 26,753,810.11
  5. Step 5: Solve for x
    x = 26,753,810.11/5,458.32
  6. Step 6: Final answer
    x = 4,901.47

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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.