Home / 8,258.97-12,388.58-2,712.74

Finding the Fourth Proportional to 8,258.97, 12,388.58 and 2,712.74

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Solution

The fourth proportional to 8,258.97, 12,388.58 and 2,712.74 is: 4,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.97 : 12,388.58 = 2,712.74 : x
  2. Step 2: Convert to fraction form
    8,258.97/12,388.58 = 2,712.74/x
  3. Step 3: Cross multiply
    8,258.97x = 12,388.58 × 2,712.74
  4. Step 4: Simplify right side
    8,258.97x = 33,606,996.51
  5. Step 5: Solve for x
    x = 33,606,996.51/8,258.97
  6. Step 6: Final answer
    x = 4,069.15

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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.