Home / 8,756.08-13,137.72-6,427.96

Finding the Fourth Proportional to 8,756.08, 13,137.72 and 6,427.96

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Solution

The fourth proportional to 8,756.08, 13,137.72 and 6,427.96 is: 9,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.08 : 13,137.72 = 6,427.96 : x
  2. Step 2: Convert to fraction form
    8,756.08/13,137.72 = 6,427.96/x
  3. Step 3: Cross multiply
    8,756.08x = 13,137.72 × 6,427.96
  4. Step 4: Simplify right side
    8,756.08x = 84,448,738.65
  5. Step 5: Solve for x
    x = 84,448,738.65/8,756.08
  6. Step 6: Final answer
    x = 9,644.58

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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.