Home / 4,678.38-7,018.02-2,212.56

Finding the Fourth Proportional to 4,678.38, 7,018.02 and 2,212.56

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Solution

The fourth proportional to 4,678.38, 7,018.02 and 2,212.56 is: 3,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.38 : 7,018.02 = 2,212.56 : x
  2. Step 2: Convert to fraction form
    4,678.38/7,018.02 = 2,212.56/x
  3. Step 3: Cross multiply
    4,678.38x = 7,018.02 × 2,212.56
  4. Step 4: Simplify right side
    4,678.38x = 15,527,790.33
  5. Step 5: Solve for x
    x = 15,527,790.33/4,678.38
  6. Step 6: Final answer
    x = 3,319.05

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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.