Home / 4,273.18-6,408.60-1,807.90

Finding the Fourth Proportional to 4,273.18, 6,408.60 and 1,807.90

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Solution

The fourth proportional to 4,273.18, 6,408.60 and 1,807.90 is: 2,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.18 : 6,408.60 = 1,807.90 : x
  2. Step 2: Convert to fraction form
    4,273.18/6,408.60 = 1,807.90/x
  3. Step 3: Cross multiply
    4,273.18x = 6,408.60 × 1,807.90
  4. Step 4: Simplify right side
    4,273.18x = 11,586,107.94
  5. Step 5: Solve for x
    x = 11,586,107.94/4,273.18
  6. Step 6: Final answer
    x = 2,711.35

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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.