Home / 8,801.12-13,201.68-2,137.58

Finding the Fourth Proportional to 8,801.12, 13,201.68 and 2,137.58

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Solution

The fourth proportional to 8,801.12, 13,201.68 and 2,137.58 is: 3,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.12 : 13,201.68 = 2,137.58 : x
  2. Step 2: Convert to fraction form
    8,801.12/13,201.68 = 2,137.58/x
  3. Step 3: Cross multiply
    8,801.12x = 13,201.68 × 2,137.58
  4. Step 4: Simplify right side
    8,801.12x = 28,219,581.13
  5. Step 5: Solve for x
    x = 28,219,581.13/8,801.12
  6. Step 6: Final answer
    x = 3,206.36

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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.