Home / 4,779.50-7,168.44-1,269.56

Finding the Fourth Proportional to 4,779.50, 7,168.44 and 1,269.56

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Solution

The fourth proportional to 4,779.50, 7,168.44 and 1,269.56 is: 1,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.50 : 7,168.44 = 1,269.56 : x
  2. Step 2: Convert to fraction form
    4,779.50/7,168.44 = 1,269.56/x
  3. Step 3: Cross multiply
    4,779.50x = 7,168.44 × 1,269.56
  4. Step 4: Simplify right side
    4,779.50x = 9,100,764.69
  5. Step 5: Solve for x
    x = 9,100,764.69/4,779.50
  6. Step 6: Final answer
    x = 1,904.12

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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.