Home / 5,200.44-7,176.77-3,430.72

Finding the Fourth Proportional to 5,200.44, 7,176.77 and 3,430.72

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Solution

The fourth proportional to 5,200.44, 7,176.77 and 3,430.72 is: 4,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.44 : 7,176.77 = 3,430.72 : x
  2. Step 2: Convert to fraction form
    5,200.44/7,176.77 = 3,430.72/x
  3. Step 3: Cross multiply
    5,200.44x = 7,176.77 × 3,430.72
  4. Step 4: Simplify right side
    5,200.44x = 24,621,488.37
  5. Step 5: Solve for x
    x = 24,621,488.37/5,200.44
  6. Step 6: Final answer
    x = 4,734.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.