Home / 4,129.05-6,191.80-2,566.71

Finding the Fourth Proportional to 4,129.05, 6,191.80 and 2,566.71

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Solution

The fourth proportional to 4,129.05, 6,191.80 and 2,566.71 is: 3,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.05 : 6,191.80 = 2,566.71 : x
  2. Step 2: Convert to fraction form
    4,129.05/6,191.80 = 2,566.71/x
  3. Step 3: Cross multiply
    4,129.05x = 6,191.80 × 2,566.71
  4. Step 4: Simplify right side
    4,129.05x = 15,892,554.98
  5. Step 5: Solve for x
    x = 15,892,554.98/4,129.05
  6. Step 6: Final answer
    x = 3,848.96

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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.