Home / 9,258.33-12,776.60-5,279.68

Finding the Fourth Proportional to 9,258.33, 12,776.60 and 5,279.68

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Solution

The fourth proportional to 9,258.33, 12,776.60 and 5,279.68 is: 7,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.33 : 12,776.60 = 5,279.68 : x
  2. Step 2: Convert to fraction form
    9,258.33/12,776.60 = 5,279.68/x
  3. Step 3: Cross multiply
    9,258.33x = 12,776.60 × 5,279.68
  4. Step 4: Simplify right side
    9,258.33x = 67,456,388.66
  5. Step 5: Solve for x
    x = 67,456,388.66/9,258.33
  6. Step 6: Final answer
    x = 7,286.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.