Home / 8,154.90-12,232.56-2,608.56

Finding the Fourth Proportional to 8,154.90, 12,232.56 and 2,608.56

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Solution

The fourth proportional to 8,154.90, 12,232.56 and 2,608.56 is: 3,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.90 : 12,232.56 = 2,608.56 : x
  2. Step 2: Convert to fraction form
    8,154.90/12,232.56 = 2,608.56/x
  3. Step 3: Cross multiply
    8,154.90x = 12,232.56 × 2,608.56
  4. Step 4: Simplify right side
    8,154.90x = 31,909,366.71
  5. Step 5: Solve for x
    x = 31,909,366.71/8,154.90
  6. Step 6: Final answer
    x = 3,912.91

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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.