Home / 4,290.34-6,436.32-2,443.54

Finding the Fourth Proportional to 4,290.34, 6,436.32 and 2,443.54

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Solution

The fourth proportional to 4,290.34, 6,436.32 and 2,443.54 is: 3,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.34 : 6,436.32 = 2,443.54 : x
  2. Step 2: Convert to fraction form
    4,290.34/6,436.32 = 2,443.54/x
  3. Step 3: Cross multiply
    4,290.34x = 6,436.32 × 2,443.54
  4. Step 4: Simplify right side
    4,290.34x = 15,727,405.37
  5. Step 5: Solve for x
    x = 15,727,405.37/4,290.34
  6. Step 6: Final answer
    x = 3,665.77

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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.