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Finding the Fourth Proportional to 8,800.80, 13,206.40 and 3,258.08

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Solution

The fourth proportional to 8,800.80, 13,206.40 and 3,258.08 is: 4,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.80 : 13,206.40 = 3,258.08 : x
  2. Step 2: Convert to fraction form
    8,800.80/13,206.40 = 3,258.08/x
  3. Step 3: Cross multiply
    8,800.80x = 13,206.40 × 3,258.08
  4. Step 4: Simplify right side
    8,800.80x = 43,027,507.71
  5. Step 5: Solve for x
    x = 43,027,507.71/8,800.80
  6. Step 6: Final answer
    x = 4,889.05

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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.