Home / 8,495.23-12,739.96-3,228.97

Finding the Fourth Proportional to 8,495.23, 12,739.96 and 3,228.97

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Solution

The fourth proportional to 8,495.23, 12,739.96 and 3,228.97 is: 4,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.23 : 12,739.96 = 3,228.97 : x
  2. Step 2: Convert to fraction form
    8,495.23/12,739.96 = 3,228.97/x
  3. Step 3: Cross multiply
    8,495.23x = 12,739.96 × 3,228.97
  4. Step 4: Simplify right side
    8,495.23x = 41,136,971.46
  5. Step 5: Solve for x
    x = 41,136,971.46/8,495.23
  6. Step 6: Final answer
    x = 4,842.36

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1.5x scale

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.