Home / 6,351.40-8,764.26-3,518.71

Finding the Fourth Proportional to 6,351.40, 8,764.26 and 3,518.71

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Solution

The fourth proportional to 6,351.40, 8,764.26 and 3,518.71 is: 4,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.40 : 8,764.26 = 3,518.71 : x
  2. Step 2: Convert to fraction form
    6,351.40/8,764.26 = 3,518.71/x
  3. Step 3: Cross multiply
    6,351.40x = 8,764.26 × 3,518.71
  4. Step 4: Simplify right side
    6,351.40x = 30,838,889.30
  5. Step 5: Solve for x
    x = 30,838,889.30/6,351.40
  6. Step 6: Final answer
    x = 4,855.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.