Home / 4,779.99-7,172.76-2,006.42

Finding the Fourth Proportional to 4,779.99, 7,172.76 and 2,006.42

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Solution

The fourth proportional to 4,779.99, 7,172.76 and 2,006.42 is: 3,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.99 : 7,172.76 = 2,006.42 : x
  2. Step 2: Convert to fraction form
    4,779.99/7,172.76 = 2,006.42/x
  3. Step 3: Cross multiply
    4,779.99x = 7,172.76 × 2,006.42
  4. Step 4: Simplify right side
    4,779.99x = 14,391,533.26
  5. Step 5: Solve for x
    x = 14,391,533.26/4,779.99
  6. Step 6: Final answer
    x = 3,010.79

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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.