Home / 7,379.55-10,183.47-4,022.28

Finding the Fourth Proportional to 7,379.55, 10,183.47 and 4,022.28

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Solution

The fourth proportional to 7,379.55, 10,183.47 and 4,022.28 is: 5,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.55 : 10,183.47 = 4,022.28 : x
  2. Step 2: Convert to fraction form
    7,379.55/10,183.47 = 4,022.28/x
  3. Step 3: Cross multiply
    7,379.55x = 10,183.47 × 4,022.28
  4. Step 4: Simplify right side
    7,379.55x = 40,960,767.71
  5. Step 5: Solve for x
    x = 40,960,767.71/7,379.55
  6. Step 6: Final answer
    x = 5,550.58

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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.