Home / 6,855.08-10,259.58-3,929

Finding the Fourth Proportional to 6,855.08, 10,259.58 and 3,929

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Solution

The fourth proportional to 6,855.08, 10,259.58 and 3,929 is: 5,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.08 : 10,259.58 = 3,929 : x
  2. Step 2: Convert to fraction form
    6,855.08/10,259.58 = 3,929/x
  3. Step 3: Cross multiply
    6,855.08x = 10,259.58 × 3,929
  4. Step 4: Simplify right side
    6,855.08x = 40,309,889.82
  5. Step 5: Solve for x
    x = 40,309,889.82/6,855.08
  6. Step 6: Final answer
    x = 5,880.29

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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.