Home / 7,192-9,923.88-4,048.12

Finding the Fourth Proportional to 7,192, 9,923.88 and 4,048.12

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Solution

The fourth proportional to 7,192, 9,923.88 and 4,048.12 is: 5,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192 : 9,923.88 = 4,048.12 : x
  2. Step 2: Convert to fraction form
    7,192/9,923.88 = 4,048.12/x
  3. Step 3: Cross multiply
    7,192x = 9,923.88 × 4,048.12
  4. Step 4: Simplify right side
    7,192x = 40,173,057.11
  5. Step 5: Solve for x
    x = 40,173,057.11/7,192
  6. Step 6: Final answer
    x = 5,585.80

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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.