Home / 4,709.48-7,063.28-1,786.80

Finding the Fourth Proportional to 4,709.48, 7,063.28 and 1,786.80

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Solution

The fourth proportional to 4,709.48, 7,063.28 and 1,786.80 is: 2,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.48 : 7,063.28 = 1,786.80 : x
  2. Step 2: Convert to fraction form
    4,709.48/7,063.28 = 1,786.80/x
  3. Step 3: Cross multiply
    4,709.48x = 7,063.28 × 1,786.80
  4. Step 4: Simplify right side
    4,709.48x = 12,620,668.70
  5. Step 5: Solve for x
    x = 12,620,668.70/4,709.48
  6. Step 6: Final answer
    x = 2,679.84

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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.