Home / 5,210.44-7,814.58-1,511.86

Finding the Fourth Proportional to 5,210.44, 7,814.58 and 1,511.86

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Solution

The fourth proportional to 5,210.44, 7,814.58 and 1,511.86 is: 2,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.44 : 7,814.58 = 1,511.86 : x
  2. Step 2: Convert to fraction form
    5,210.44/7,814.58 = 1,511.86/x
  3. Step 3: Cross multiply
    5,210.44x = 7,814.58 × 1,511.86
  4. Step 4: Simplify right side
    5,210.44x = 11,814,550.92
  5. Step 5: Solve for x
    x = 11,814,550.92/5,210.44
  6. Step 6: Final answer
    x = 2,267.48

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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.