Home / 7,619.20-10,537.80-6,832.96

Finding the Fourth Proportional to 7,619.20, 10,537.80 and 6,832.96

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Solution

The fourth proportional to 7,619.20, 10,537.80 and 6,832.96 is: 9,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.20 : 10,537.80 = 6,832.96 : x
  2. Step 2: Convert to fraction form
    7,619.20/10,537.80 = 6,832.96/x
  3. Step 3: Cross multiply
    7,619.20x = 10,537.80 × 6,832.96
  4. Step 4: Simplify right side
    7,619.20x = 72,004,365.89
  5. Step 5: Solve for x
    x = 72,004,365.89/7,619.20
  6. Step 6: Final answer
    x = 9,450.38

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1.5x scale

Why These Related Problems?

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