Home / 4,631.74-6,947.75-1,511.78

Finding the Fourth Proportional to 4,631.74, 6,947.75 and 1,511.78

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Solution

The fourth proportional to 4,631.74, 6,947.75 and 1,511.78 is: 2,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.74 : 6,947.75 = 1,511.78 : x
  2. Step 2: Convert to fraction form
    4,631.74/6,947.75 = 1,511.78/x
  3. Step 3: Cross multiply
    4,631.74x = 6,947.75 × 1,511.78
  4. Step 4: Simplify right side
    4,631.74x = 10,503,438.54
  5. Step 5: Solve for x
    x = 10,503,438.54/4,631.74
  6. Step 6: Final answer
    x = 2,267.71

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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.