Home / 8,175.37-12,262.96-2,628.72

Finding the Fourth Proportional to 8,175.37, 12,262.96 and 2,628.72

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Solution

The fourth proportional to 8,175.37, 12,262.96 and 2,628.72 is: 3,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.37 : 12,262.96 = 2,628.72 : x
  2. Step 2: Convert to fraction form
    8,175.37/12,262.96 = 2,628.72/x
  3. Step 3: Cross multiply
    8,175.37x = 12,262.96 × 2,628.72
  4. Step 4: Simplify right side
    8,175.37x = 32,235,888.21
  5. Step 5: Solve for x
    x = 32,235,888.21/8,175.37
  6. Step 6: Final answer
    x = 3,943.05

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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.