Home / 8,518.23-12,775.86-3,251.88

Finding the Fourth Proportional to 8,518.23, 12,775.86 and 3,251.88

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Solution

The fourth proportional to 8,518.23, 12,775.86 and 3,251.88 is: 4,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.23 : 12,775.86 = 3,251.88 : x
  2. Step 2: Convert to fraction form
    8,518.23/12,775.86 = 3,251.88/x
  3. Step 3: Cross multiply
    8,518.23x = 12,775.86 × 3,251.88
  4. Step 4: Simplify right side
    8,518.23x = 41,545,563.62
  5. Step 5: Solve for x
    x = 41,545,563.62/8,518.23
  6. Step 6: Final answer
    x = 4,877.25

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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.