Home / 7,390.34-10,198.81-4,033.19

Finding the Fourth Proportional to 7,390.34, 10,198.81 and 4,033.19

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Solution

The fourth proportional to 7,390.34, 10,198.81 and 4,033.19 is: 5,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.34 : 10,198.81 = 4,033.19 : x
  2. Step 2: Convert to fraction form
    7,390.34/10,198.81 = 4,033.19/x
  3. Step 3: Cross multiply
    7,390.34x = 10,198.81 × 4,033.19
  4. Step 4: Simplify right side
    7,390.34x = 41,133,688.99
  5. Step 5: Solve for x
    x = 41,133,688.99/7,390.34
  6. Step 6: Final answer
    x = 5,565.87

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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.