Home / 8,704.12-13,051.89-3,156.63

Finding the Fourth Proportional to 8,704.12, 13,051.89 and 3,156.63

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Solution

The fourth proportional to 8,704.12, 13,051.89 and 3,156.63 is: 4,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.12 : 13,051.89 = 3,156.63 : x
  2. Step 2: Convert to fraction form
    8,704.12/13,051.89 = 3,156.63/x
  3. Step 3: Cross multiply
    8,704.12x = 13,051.89 × 3,156.63
  4. Step 4: Simplify right side
    8,704.12x = 41,199,987.53
  5. Step 5: Solve for x
    x = 41,199,987.53/8,704.12
  6. Step 6: Final answer
    x = 4,733.39

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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.