Home / 8,933.72-13,381.08-4,307

Finding the Fourth Proportional to 8,933.72, 13,381.08 and 4,307

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Solution

The fourth proportional to 8,933.72, 13,381.08 and 4,307 is: 6,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.72 : 13,381.08 = 4,307 : x
  2. Step 2: Convert to fraction form
    8,933.72/13,381.08 = 4,307/x
  3. Step 3: Cross multiply
    8,933.72x = 13,381.08 × 4,307
  4. Step 4: Simplify right side
    8,933.72x = 57,632,311.56
  5. Step 5: Solve for x
    x = 57,632,311.56/8,933.72
  6. Step 6: Final answer
    x = 6,451.10

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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.