Home / 4,779.56-7,169.33-1,492.91

Finding the Fourth Proportional to 4,779.56, 7,169.33 and 1,492.91

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Solution

The fourth proportional to 4,779.56, 7,169.33 and 1,492.91 is: 2,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.56 : 7,169.33 = 1,492.91 : x
  2. Step 2: Convert to fraction form
    4,779.56/7,169.33 = 1,492.91/x
  3. Step 3: Cross multiply
    4,779.56x = 7,169.33 × 1,492.91
  4. Step 4: Simplify right side
    4,779.56x = 10,703,121.14
  5. Step 5: Solve for x
    x = 10,703,121.14/4,779.56
  6. Step 6: Final answer
    x = 2,239.36

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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.