Home / 4,631.48-6,947.79-1,511.80

Finding the Fourth Proportional to 4,631.48, 6,947.79 and 1,511.80

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Solution

The fourth proportional to 4,631.48, 6,947.79 and 1,511.80 is: 2,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.48 : 6,947.79 = 1,511.80 : x
  2. Step 2: Convert to fraction form
    4,631.48/6,947.79 = 1,511.80/x
  3. Step 3: Cross multiply
    4,631.48x = 6,947.79 × 1,511.80
  4. Step 4: Simplify right side
    4,631.48x = 10,503,668.92
  5. Step 5: Solve for x
    x = 10,503,668.92/4,631.48
  6. Step 6: Final answer
    x = 2,267.89

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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.