Home / 4,178.30-6,263.24-2,619.40

Finding the Fourth Proportional to 4,178.30, 6,263.24 and 2,619.40

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Solution

The fourth proportional to 4,178.30, 6,263.24 and 2,619.40 is: 3,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.30 : 6,263.24 = 2,619.40 : x
  2. Step 2: Convert to fraction form
    4,178.30/6,263.24 = 2,619.40/x
  3. Step 3: Cross multiply
    4,178.30x = 6,263.24 × 2,619.40
  4. Step 4: Simplify right side
    4,178.30x = 16,405,917.76
  5. Step 5: Solve for x
    x = 16,405,917.76/4,178.30
  6. Step 6: Final answer
    x = 3,926.46

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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.