Home / 8,840.30-13,260.45-7,414.70

Finding the Fourth Proportional to 8,840.30, 13,260.45 and 7,414.70

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Solution

The fourth proportional to 8,840.30, 13,260.45 and 7,414.70 is: 11,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.30 : 13,260.45 = 7,414.70 : x
  2. Step 2: Convert to fraction form
    8,840.30/13,260.45 = 7,414.70/x
  3. Step 3: Cross multiply
    8,840.30x = 13,260.45 × 7,414.70
  4. Step 4: Simplify right side
    8,840.30x = 98,322,258.62
  5. Step 5: Solve for x
    x = 98,322,258.62/8,840.30
  6. Step 6: Final answer
    x = 11,122.05

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Similar ratio
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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.