Home / 4,779.30-7,169.19-2,557.23

Finding the Fourth Proportional to 4,779.30, 7,169.19 and 2,557.23

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Solution

The fourth proportional to 4,779.30, 7,169.19 and 2,557.23 is: 3,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.30 : 7,169.19 = 2,557.23 : x
  2. Step 2: Convert to fraction form
    4,779.30/7,169.19 = 2,557.23/x
  3. Step 3: Cross multiply
    4,779.30x = 7,169.19 × 2,557.23
  4. Step 4: Simplify right side
    4,779.30x = 18,333,267.74
  5. Step 5: Solve for x
    x = 18,333,267.74/4,779.30
  6. Step 6: Final answer
    x = 3,835.97

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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.