Home / 8,324.81-12,487.18-4,160.60

Finding the Fourth Proportional to 8,324.81, 12,487.18 and 4,160.60

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Solution

The fourth proportional to 8,324.81, 12,487.18 and 4,160.60 is: 6,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.81 : 12,487.18 = 4,160.60 : x
  2. Step 2: Convert to fraction form
    8,324.81/12,487.18 = 4,160.60/x
  3. Step 3: Cross multiply
    8,324.81x = 12,487.18 × 4,160.60
  4. Step 4: Simplify right side
    8,324.81x = 51,954,161.11
  5. Step 5: Solve for x
    x = 51,954,161.11/8,324.81
  6. Step 6: Final answer
    x = 6,240.88

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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.