Home / 4,384.48-6,578.88-1,786

Finding the Fourth Proportional to 4,384.48, 6,578.88 and 1,786

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Solution

The fourth proportional to 4,384.48, 6,578.88 and 1,786 is: 2,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,384.48 : 6,578.88 = 1,786 : x
  2. Step 2: Convert to fraction form
    4,384.48/6,578.88 = 1,786/x
  3. Step 3: Cross multiply
    4,384.48x = 6,578.88 × 1,786
  4. Step 4: Simplify right side
    4,384.48x = 11,749,879.68
  5. Step 5: Solve for x
    x = 11,749,879.68/4,384.48
  6. Step 6: Final answer
    x = 2,679.88

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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.