Home / 8,258.73-12,388.20-2,415.45

Finding the Fourth Proportional to 8,258.73, 12,388.20 and 2,415.45

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Solution

The fourth proportional to 8,258.73, 12,388.20 and 2,415.45 is: 3,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.73 : 12,388.20 = 2,415.45 : x
  2. Step 2: Convert to fraction form
    8,258.73/12,388.20 = 2,415.45/x
  3. Step 3: Cross multiply
    8,258.73x = 12,388.20 × 2,415.45
  4. Step 4: Simplify right side
    8,258.73x = 29,923,077.69
  5. Step 5: Solve for x
    x = 29,923,077.69/8,258.73
  6. Step 6: Final answer
    x = 3,623.21

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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.