Home / 7,134.41-10,704.14-3,185.30

Finding the Fourth Proportional to 7,134.41, 10,704.14 and 3,185.30

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Solution

The fourth proportional to 7,134.41, 10,704.14 and 3,185.30 is: 4,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.41 : 10,704.14 = 3,185.30 : x
  2. Step 2: Convert to fraction form
    7,134.41/10,704.14 = 3,185.30/x
  3. Step 3: Cross multiply
    7,134.41x = 10,704.14 × 3,185.30
  4. Step 4: Simplify right side
    7,134.41x = 34,095,897.14
  5. Step 5: Solve for x
    x = 34,095,897.14/7,134.41
  6. Step 6: Final answer
    x = 4,779.08

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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.