Home / 8,467.75-11,682.79-5,485.87

Finding the Fourth Proportional to 8,467.75, 11,682.79 and 5,485.87

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Solution

The fourth proportional to 8,467.75, 11,682.79 and 5,485.87 is: 7,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.75 : 11,682.79 = 5,485.87 : x
  2. Step 2: Convert to fraction form
    8,467.75/11,682.79 = 5,485.87/x
  3. Step 3: Cross multiply
    8,467.75x = 11,682.79 × 5,485.87
  4. Step 4: Simplify right side
    8,467.75x = 64,090,267.18
  5. Step 5: Solve for x
    x = 64,090,267.18/8,467.75
  6. Step 6: Final answer
    x = 7,568.75

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1.5x scale

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.