Home / 8,173.76-12,262.08-2,628.32

Finding the Fourth Proportional to 8,173.76, 12,262.08 and 2,628.32

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Solution

The fourth proportional to 8,173.76, 12,262.08 and 2,628.32 is: 3,942.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.76 : 12,262.08 = 2,628.32 : x
  2. Step 2: Convert to fraction form
    8,173.76/12,262.08 = 2,628.32/x
  3. Step 3: Cross multiply
    8,173.76x = 12,262.08 × 2,628.32
  4. Step 4: Simplify right side
    8,173.76x = 32,228,670.11
  5. Step 5: Solve for x
    x = 32,228,670.11/8,173.76
  6. Step 6: Final answer
    x = 3,942.94

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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.