Home / 8,170.53-12,253.66-2,621.01

Finding the Fourth Proportional to 8,170.53, 12,253.66 and 2,621.01

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Solution

The fourth proportional to 8,170.53, 12,253.66 and 2,621.01 is: 3,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.53 : 12,253.66 = 2,621.01 : x
  2. Step 2: Convert to fraction form
    8,170.53/12,253.66 = 2,621.01/x
  3. Step 3: Cross multiply
    8,170.53x = 12,253.66 × 2,621.01
  4. Step 4: Simplify right side
    8,170.53x = 32,116,965.40
  5. Step 5: Solve for x
    x = 32,116,965.40/8,170.53
  6. Step 6: Final answer
    x = 3,930.83

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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.