Home / 4,405.92-6,607.86-1,285.92

Finding the Fourth Proportional to 4,405.92, 6,607.86 and 1,285.92

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Solution

The fourth proportional to 4,405.92, 6,607.86 and 1,285.92 is: 1,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.92 : 6,607.86 = 1,285.92 : x
  2. Step 2: Convert to fraction form
    4,405.92/6,607.86 = 1,285.92/x
  3. Step 3: Cross multiply
    4,405.92x = 6,607.86 × 1,285.92
  4. Step 4: Simplify right side
    4,405.92x = 8,497,179.33
  5. Step 5: Solve for x
    x = 8,497,179.33/4,405.92
  6. Step 6: Final answer
    x = 1,928.58

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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.