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Finding the Fourth Proportional to 4,779.36, 7,169.04 and 2,006.04

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Solution

The fourth proportional to 4,779.36, 7,169.04 and 2,006.04 is: 3,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.36 : 7,169.04 = 2,006.04 : x
  2. Step 2: Convert to fraction form
    4,779.36/7,169.04 = 2,006.04/x
  3. Step 3: Cross multiply
    4,779.36x = 7,169.04 × 2,006.04
  4. Step 4: Simplify right side
    4,779.36x = 14,381,381.00
  5. Step 5: Solve for x
    x = 14,381,381.00/4,779.36
  6. Step 6: Final answer
    x = 3,009.06

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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.