Home / 5,505.06-8,258.25-1,806.40

Finding the Fourth Proportional to 5,505.06, 8,258.25 and 1,806.40

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Solution

The fourth proportional to 5,505.06, 8,258.25 and 1,806.40 is: 2,709.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.06 : 8,258.25 = 1,806.40 : x
  2. Step 2: Convert to fraction form
    5,505.06/8,258.25 = 1,806.40/x
  3. Step 3: Cross multiply
    5,505.06x = 8,258.25 × 1,806.40
  4. Step 4: Simplify right side
    5,505.06x = 14,917,719.90
  5. Step 5: Solve for x
    x = 14,917,719.90/5,505.06
  6. Step 6: Final answer
    x = 2,709.82

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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.