Home / 7,879.48-11,819.17-4,545.56

Finding the Fourth Proportional to 7,879.48, 11,819.17 and 4,545.56

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Solution

The fourth proportional to 7,879.48, 11,819.17 and 4,545.56 is: 6,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.48 : 11,819.17 = 4,545.56 : x
  2. Step 2: Convert to fraction form
    7,879.48/11,819.17 = 4,545.56/x
  3. Step 3: Cross multiply
    7,879.48x = 11,819.17 × 4,545.56
  4. Step 4: Simplify right side
    7,879.48x = 53,724,746.39
  5. Step 5: Solve for x
    x = 53,724,746.39/7,879.48
  6. Step 6: Final answer
    x = 6,818.31

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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.