Home / 4,283.18-6,428.41-1,687.94

Finding the Fourth Proportional to 4,283.18, 6,428.41 and 1,687.94

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Solution

The fourth proportional to 4,283.18, 6,428.41 and 1,687.94 is: 2,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.18 : 6,428.41 = 1,687.94 : x
  2. Step 2: Convert to fraction form
    4,283.18/6,428.41 = 1,687.94/x
  3. Step 3: Cross multiply
    4,283.18x = 6,428.41 × 1,687.94
  4. Step 4: Simplify right side
    4,283.18x = 10,850,770.38
  5. Step 5: Solve for x
    x = 10,850,770.38/4,283.18
  6. Step 6: Final answer
    x = 2,533.34

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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.