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Finding the Fourth Proportional to 8,893.72, 13,367.58 and 5,942.64

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Solution

The fourth proportional to 8,893.72, 13,367.58 and 5,942.64 is: 8,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.72 : 13,367.58 = 5,942.64 : x
  2. Step 2: Convert to fraction form
    8,893.72/13,367.58 = 5,942.64/x
  3. Step 3: Cross multiply
    8,893.72x = 13,367.58 × 5,942.64
  4. Step 4: Simplify right side
    8,893.72x = 79,438,715.61
  5. Step 5: Solve for x
    x = 79,438,715.61/8,893.72
  6. Step 6: Final answer
    x = 8,932.00

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1.5x scale

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.