Home / 8,172.52-12,258.10-2,624.38

Finding the Fourth Proportional to 8,172.52, 12,258.10 and 2,624.38

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Solution

The fourth proportional to 8,172.52, 12,258.10 and 2,624.38 is: 3,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.52 : 12,258.10 = 2,624.38 : x
  2. Step 2: Convert to fraction form
    8,172.52/12,258.10 = 2,624.38/x
  3. Step 3: Cross multiply
    8,172.52x = 12,258.10 × 2,624.38
  4. Step 4: Simplify right side
    8,172.52x = 32,169,912.48
  5. Step 5: Solve for x
    x = 32,169,912.48/8,172.52
  6. Step 6: Final answer
    x = 3,936.35

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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.