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Finding the Fourth Proportional to 8,367.44, 11,490.02 and 7,482.92

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Solution

The fourth proportional to 8,367.44, 11,490.02 and 7,482.92 is: 10,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.44 : 11,490.02 = 7,482.92 : x
  2. Step 2: Convert to fraction form
    8,367.44/11,490.02 = 7,482.92/x
  3. Step 3: Cross multiply
    8,367.44x = 11,490.02 × 7,482.92
  4. Step 4: Simplify right side
    8,367.44x = 85,978,833.65
  5. Step 5: Solve for x
    x = 85,978,833.65/8,367.44
  6. Step 6: Final answer
    x = 10,275.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.