Home / 4,285.60-6,431.52-2,827.84

Finding the Fourth Proportional to 4,285.60, 6,431.52 and 2,827.84

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Solution

The fourth proportional to 4,285.60, 6,431.52 and 2,827.84 is: 4,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.60 : 6,431.52 = 2,827.84 : x
  2. Step 2: Convert to fraction form
    4,285.60/6,431.52 = 2,827.84/x
  3. Step 3: Cross multiply
    4,285.60x = 6,431.52 × 2,827.84
  4. Step 4: Simplify right side
    4,285.60x = 18,187,309.52
  5. Step 5: Solve for x
    x = 18,187,309.52/4,285.60
  6. Step 6: Final answer
    x = 4,243.82

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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.