Home / 4,030.38-6,046.34-1,397.78

Finding the Fourth Proportional to 4,030.38, 6,046.34 and 1,397.78

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Solution

The fourth proportional to 4,030.38, 6,046.34 and 1,397.78 is: 2,096.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.38 : 6,046.34 = 1,397.78 : x
  2. Step 2: Convert to fraction form
    4,030.38/6,046.34 = 1,397.78/x
  3. Step 3: Cross multiply
    4,030.38x = 6,046.34 × 1,397.78
  4. Step 4: Simplify right side
    4,030.38x = 8,451,471.74
  5. Step 5: Solve for x
    x = 8,451,471.74/4,030.38
  6. Step 6: Final answer
    x = 2,096.94

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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.