Home / 8,855.10-13,284.54-3,308.58

Finding the Fourth Proportional to 8,855.10, 13,284.54 and 3,308.58

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Solution

The fourth proportional to 8,855.10, 13,284.54 and 3,308.58 is: 4,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.10 : 13,284.54 = 3,308.58 : x
  2. Step 2: Convert to fraction form
    8,855.10/13,284.54 = 3,308.58/x
  3. Step 3: Cross multiply
    8,855.10x = 13,284.54 × 3,308.58
  4. Step 4: Simplify right side
    8,855.10x = 43,952,963.35
  5. Step 5: Solve for x
    x = 43,952,963.35/8,855.10
  6. Step 6: Final answer
    x = 4,963.58

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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.