Home / 7,379.76-10,183.77-4,022.50

Finding the Fourth Proportional to 7,379.76, 10,183.77 and 4,022.50

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Solution

The fourth proportional to 7,379.76, 10,183.77 and 4,022.50 is: 5,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.76 : 10,183.77 = 4,022.50 : x
  2. Step 2: Convert to fraction form
    7,379.76/10,183.77 = 4,022.50/x
  3. Step 3: Cross multiply
    7,379.76x = 10,183.77 × 4,022.50
  4. Step 4: Simplify right side
    7,379.76x = 40,964,214.83
  5. Step 5: Solve for x
    x = 40,964,214.83/7,379.76
  6. Step 6: Final answer
    x = 5,550.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.