Home / 8,280.97-12,427.03-3,086.84

Finding the Fourth Proportional to 8,280.97, 12,427.03 and 3,086.84

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Solution

The fourth proportional to 8,280.97, 12,427.03 and 3,086.84 is: 4,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.97 : 12,427.03 = 3,086.84 : x
  2. Step 2: Convert to fraction form
    8,280.97/12,427.03 = 3,086.84/x
  3. Step 3: Cross multiply
    8,280.97x = 12,427.03 × 3,086.84
  4. Step 4: Simplify right side
    8,280.97x = 38,360,253.29
  5. Step 5: Solve for x
    x = 38,360,253.29/8,280.97
  6. Step 6: Final answer
    x = 4,632.34

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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.