Home / 8,359.41-12,539.73-2,812.73

Finding the Fourth Proportional to 8,359.41, 12,539.73 and 2,812.73

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Solution

The fourth proportional to 8,359.41, 12,539.73 and 2,812.73 is: 4,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.41 : 12,539.73 = 2,812.73 : x
  2. Step 2: Convert to fraction form
    8,359.41/12,539.73 = 2,812.73/x
  3. Step 3: Cross multiply
    8,359.41x = 12,539.73 × 2,812.73
  4. Step 4: Simplify right side
    8,359.41x = 35,270,874.76
  5. Step 5: Solve for x
    x = 35,270,874.76/8,359.41
  6. Step 6: Final answer
    x = 4,219.30

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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.