Home / 5,453.76-8,176.86-2,858.52

Finding the Fourth Proportional to 5,453.76, 8,176.86 and 2,858.52

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Solution

The fourth proportional to 5,453.76, 8,176.86 and 2,858.52 is: 4,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.76 : 8,176.86 = 2,858.52 : x
  2. Step 2: Convert to fraction form
    5,453.76/8,176.86 = 2,858.52/x
  3. Step 3: Cross multiply
    5,453.76x = 8,176.86 × 2,858.52
  4. Step 4: Simplify right side
    5,453.76x = 23,373,717.85
  5. Step 5: Solve for x
    x = 23,373,717.85/5,453.76
  6. Step 6: Final answer
    x = 4,285.80

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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.