Home / 4,387.64-6,583.89-1,790.38

Finding the Fourth Proportional to 4,387.64, 6,583.89 and 1,790.38

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Solution

The fourth proportional to 4,387.64, 6,583.89 and 1,790.38 is: 2,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.64 : 6,583.89 = 1,790.38 : x
  2. Step 2: Convert to fraction form
    4,387.64/6,583.89 = 1,790.38/x
  3. Step 3: Cross multiply
    4,387.64x = 6,583.89 × 1,790.38
  4. Step 4: Simplify right side
    4,387.64x = 11,787,664.98
  5. Step 5: Solve for x
    x = 11,787,664.98/4,387.64
  6. Step 6: Final answer
    x = 2,686.56

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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.