Home / 8,467.50-11,684.79-4,690.65

Finding the Fourth Proportional to 8,467.50, 11,684.79 and 4,690.65

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Solution

The fourth proportional to 8,467.50, 11,684.79 and 4,690.65 is: 6,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.50 : 11,684.79 = 4,690.65 : x
  2. Step 2: Convert to fraction form
    8,467.50/11,684.79 = 4,690.65/x
  3. Step 3: Cross multiply
    8,467.50x = 11,684.79 × 4,690.65
  4. Step 4: Simplify right side
    8,467.50x = 54,809,260.21
  5. Step 5: Solve for x
    x = 54,809,260.21/8,467.50
  6. Step 6: Final answer
    x = 6,472.90

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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.