Home / 8,212.50-12,316.14-2,664.56

Finding the Fourth Proportional to 8,212.50, 12,316.14 and 2,664.56

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Solution

The fourth proportional to 8,212.50, 12,316.14 and 2,664.56 is: 3,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.50 : 12,316.14 = 2,664.56 : x
  2. Step 2: Convert to fraction form
    8,212.50/12,316.14 = 2,664.56/x
  3. Step 3: Cross multiply
    8,212.50x = 12,316.14 × 2,664.56
  4. Step 4: Simplify right side
    8,212.50x = 32,817,124.79
  5. Step 5: Solve for x
    x = 32,817,124.79/8,212.50
  6. Step 6: Final answer
    x = 3,996.00

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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.