Home / 8,258.48-12,389.66-2,712.28

Finding the Fourth Proportional to 8,258.48, 12,389.66 and 2,712.28

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Solution

The fourth proportional to 8,258.48, 12,389.66 and 2,712.28 is: 4,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.48 : 12,389.66 = 2,712.28 : x
  2. Step 2: Convert to fraction form
    8,258.48/12,389.66 = 2,712.28/x
  3. Step 3: Cross multiply
    8,258.48x = 12,389.66 × 2,712.28
  4. Step 4: Simplify right side
    8,258.48x = 33,604,227.02
  5. Step 5: Solve for x
    x = 33,604,227.02/8,258.48
  6. Step 6: Final answer
    x = 4,069.06

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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.