Home / 5,505.58-8,258.64-1,806.31

Finding the Fourth Proportional to 5,505.58, 8,258.64 and 1,806.31

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Solution

The fourth proportional to 5,505.58, 8,258.64 and 1,806.31 is: 2,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.58 : 8,258.64 = 1,806.31 : x
  2. Step 2: Convert to fraction form
    5,505.58/8,258.64 = 1,806.31/x
  3. Step 3: Cross multiply
    5,505.58x = 8,258.64 × 1,806.31
  4. Step 4: Simplify right side
    5,505.58x = 14,917,664.02
  5. Step 5: Solve for x
    x = 14,917,664.02/5,505.58
  6. Step 6: Final answer
    x = 2,709.55

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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.