Home / 4,779.88-7,172.63-2,006.33

Finding the Fourth Proportional to 4,779.88, 7,172.63 and 2,006.33

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Solution

The fourth proportional to 4,779.88, 7,172.63 and 2,006.33 is: 3,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.88 : 7,172.63 = 2,006.33 : x
  2. Step 2: Convert to fraction form
    4,779.88/7,172.63 = 2,006.33/x
  3. Step 3: Cross multiply
    4,779.88x = 7,172.63 × 2,006.33
  4. Step 4: Simplify right side
    4,779.88x = 14,390,670.65
  5. Step 5: Solve for x
    x = 14,390,670.65/4,779.88
  6. Step 6: Final answer
    x = 3,010.68

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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.