Home / 4,779.13-7,171.50-2,005.59

Finding the Fourth Proportional to 4,779.13, 7,171.50 and 2,005.59

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Solution

The fourth proportional to 4,779.13, 7,171.50 and 2,005.59 is: 3,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.13 : 7,171.50 = 2,005.59 : x
  2. Step 2: Convert to fraction form
    4,779.13/7,171.50 = 2,005.59/x
  3. Step 3: Cross multiply
    4,779.13x = 7,171.50 × 2,005.59
  4. Step 4: Simplify right side
    4,779.13x = 14,383,054.13
  5. Step 5: Solve for x
    x = 14,383,054.13/4,779.13
  6. Step 6: Final answer
    x = 3,009.56

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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.