Home / 4,291.32-6,436.44-1,369.38

Finding the Fourth Proportional to 4,291.32, 6,436.44 and 1,369.38

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Solution

The fourth proportional to 4,291.32, 6,436.44 and 1,369.38 is: 2,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.32 : 6,436.44 = 1,369.38 : x
  2. Step 2: Convert to fraction form
    4,291.32/6,436.44 = 1,369.38/x
  3. Step 3: Cross multiply
    4,291.32x = 6,436.44 × 1,369.38
  4. Step 4: Simplify right side
    4,291.32x = 8,813,932.21
  5. Step 5: Solve for x
    x = 8,813,932.21/4,291.32
  6. Step 6: Final answer
    x = 2,053.90

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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.