Home / 4,291.28-6,436.82-1,369.54

Finding the Fourth Proportional to 4,291.28, 6,436.82 and 1,369.54

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Solution

The fourth proportional to 4,291.28, 6,436.82 and 1,369.54 is: 2,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.28 : 6,436.82 = 1,369.54 : x
  2. Step 2: Convert to fraction form
    4,291.28/6,436.82 = 1,369.54/x
  3. Step 3: Cross multiply
    4,291.28x = 6,436.82 × 1,369.54
  4. Step 4: Simplify right side
    4,291.28x = 8,815,482.46
  5. Step 5: Solve for x
    x = 8,815,482.46/4,291.28
  6. Step 6: Final answer
    x = 2,054.28

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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.