Home / 4,284.48-6,428.58-1,819.86

Finding the Fourth Proportional to 4,284.48, 6,428.58 and 1,819.86

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Solution

The fourth proportional to 4,284.48, 6,428.58 and 1,819.86 is: 2,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.48 : 6,428.58 = 1,819.86 : x
  2. Step 2: Convert to fraction form
    4,284.48/6,428.58 = 1,819.86/x
  3. Step 3: Cross multiply
    4,284.48x = 6,428.58 × 1,819.86
  4. Step 4: Simplify right side
    4,284.48x = 11,699,115.60
  5. Step 5: Solve for x
    x = 11,699,115.60/4,284.48
  6. Step 6: Final answer
    x = 2,730.58

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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.