Home / 4,433.20-6,647.40-1,836.40

Finding the Fourth Proportional to 4,433.20, 6,647.40 and 1,836.40

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Solution

The fourth proportional to 4,433.20, 6,647.40 and 1,836.40 is: 2,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,433.20 : 6,647.40 = 1,836.40 : x
  2. Step 2: Convert to fraction form
    4,433.20/6,647.40 = 1,836.40/x
  3. Step 3: Cross multiply
    4,433.20x = 6,647.40 × 1,836.40
  4. Step 4: Simplify right side
    4,433.20x = 12,207,285.36
  5. Step 5: Solve for x
    x = 12,207,285.36/4,433.20
  6. Step 6: Final answer
    x = 2,753.61

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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.