Home / 8,212.04-12,314.86-2,664.04

Finding the Fourth Proportional to 8,212.04, 12,314.86 and 2,664.04

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Solution

The fourth proportional to 8,212.04, 12,314.86 and 2,664.04 is: 3,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.04 : 12,314.86 = 2,664.04 : x
  2. Step 2: Convert to fraction form
    8,212.04/12,314.86 = 2,664.04/x
  3. Step 3: Cross multiply
    8,212.04x = 12,314.86 × 2,664.04
  4. Step 4: Simplify right side
    8,212.04x = 32,807,242.19
  5. Step 5: Solve for x
    x = 32,807,242.19/8,212.04
  6. Step 6: Final answer
    x = 3,995.02

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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.