Home / 8,855.93-13,284.27-3,308.72

Finding the Fourth Proportional to 8,855.93, 13,284.27 and 3,308.72

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Solution

The fourth proportional to 8,855.93, 13,284.27 and 3,308.72 is: 4,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.93 : 13,284.27 = 3,308.72 : x
  2. Step 2: Convert to fraction form
    8,855.93/13,284.27 = 3,308.72/x
  3. Step 3: Cross multiply
    8,855.93x = 13,284.27 × 3,308.72
  4. Step 4: Simplify right side
    8,855.93x = 43,953,863.41
  5. Step 5: Solve for x
    x = 43,953,863.41/8,855.93
  6. Step 6: Final answer
    x = 4,963.21

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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.