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Finding the Fourth Proportional to 8,258.83, 12,388.01 and 2,415.49

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Solution

The fourth proportional to 8,258.83, 12,388.01 and 2,415.49 is: 3,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.83 : 12,388.01 = 2,415.49 : x
  2. Step 2: Convert to fraction form
    8,258.83/12,388.01 = 2,415.49/x
  3. Step 3: Cross multiply
    8,258.83x = 12,388.01 × 2,415.49
  4. Step 4: Simplify right side
    8,258.83x = 29,923,071.23
  5. Step 5: Solve for x
    x = 29,923,071.23/8,258.83
  6. Step 6: Final answer
    x = 3,623.16

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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.