Home / 4,291.44-6,436.80-1,369.52

Finding the Fourth Proportional to 4,291.44, 6,436.80 and 1,369.52

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Solution

The fourth proportional to 4,291.44, 6,436.80 and 1,369.52 is: 2,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.44 : 6,436.80 = 1,369.52 : x
  2. Step 2: Convert to fraction form
    4,291.44/6,436.80 = 1,369.52/x
  3. Step 3: Cross multiply
    4,291.44x = 6,436.80 × 1,369.52
  4. Step 4: Simplify right side
    4,291.44x = 8,815,326.34
  5. Step 5: Solve for x
    x = 8,815,326.34/4,291.44
  6. Step 6: Final answer
    x = 2,054.17

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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.