Home / 4,703.20-7,049.32-3,779.80

Finding the Fourth Proportional to 4,703.20, 7,049.32 and 3,779.80

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Solution

The fourth proportional to 4,703.20, 7,049.32 and 3,779.80 is: 5,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.20 : 7,049.32 = 3,779.80 : x
  2. Step 2: Convert to fraction form
    4,703.20/7,049.32 = 3,779.80/x
  3. Step 3: Cross multiply
    4,703.20x = 7,049.32 × 3,779.80
  4. Step 4: Simplify right side
    4,703.20x = 26,645,019.74
  5. Step 5: Solve for x
    x = 26,645,019.74/4,703.20
  6. Step 6: Final answer
    x = 5,665.30

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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.