Home / 4,779.36-7,169.52-1,857.36

Finding the Fourth Proportional to 4,779.36, 7,169.52 and 1,857.36

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Solution

The fourth proportional to 4,779.36, 7,169.52 and 1,857.36 is: 2,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.36 : 7,169.52 = 1,857.36 : x
  2. Step 2: Convert to fraction form
    4,779.36/7,169.52 = 1,857.36/x
  3. Step 3: Cross multiply
    4,779.36x = 7,169.52 × 1,857.36
  4. Step 4: Simplify right side
    4,779.36x = 13,316,379.67
  5. Step 5: Solve for x
    x = 13,316,379.67/4,779.36
  6. Step 6: Final answer
    x = 2,786.23

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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.