Home / 7,880.08-11,823.60-4,181.41

Finding the Fourth Proportional to 7,880.08, 11,823.60 and 4,181.41

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Solution

The fourth proportional to 7,880.08, 11,823.60 and 4,181.41 is: 6,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.08 : 11,823.60 = 4,181.41 : x
  2. Step 2: Convert to fraction form
    7,880.08/11,823.60 = 4,181.41/x
  3. Step 3: Cross multiply
    7,880.08x = 11,823.60 × 4,181.41
  4. Step 4: Simplify right side
    7,880.08x = 49,439,319.28
  5. Step 5: Solve for x
    x = 49,439,319.28/7,880.08
  6. Step 6: Final answer
    x = 6,273.96

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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.