Home / 4,779.96-7,169.49-1,270.05

Finding the Fourth Proportional to 4,779.96, 7,169.49 and 1,270.05

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Solution

The fourth proportional to 4,779.96, 7,169.49 and 1,270.05 is: 1,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.96 : 7,169.49 = 1,270.05 : x
  2. Step 2: Convert to fraction form
    4,779.96/7,169.49 = 1,270.05/x
  3. Step 3: Cross multiply
    4,779.96x = 7,169.49 × 1,270.05
  4. Step 4: Simplify right side
    4,779.96x = 9,105,640.81
  5. Step 5: Solve for x
    x = 9,105,640.81/4,779.96
  6. Step 6: Final answer
    x = 1,904.96

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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.