Home / 8,113.73-12,171.04-2,270.79

Finding the Fourth Proportional to 8,113.73, 12,171.04 and 2,270.79

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Solution

The fourth proportional to 8,113.73, 12,171.04 and 2,270.79 is: 3,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.73 : 12,171.04 = 2,270.79 : x
  2. Step 2: Convert to fraction form
    8,113.73/12,171.04 = 2,270.79/x
  3. Step 3: Cross multiply
    8,113.73x = 12,171.04 × 2,270.79
  4. Step 4: Simplify right side
    8,113.73x = 27,637,870.24
  5. Step 5: Solve for x
    x = 27,637,870.24/8,113.73
  6. Step 6: Final answer
    x = 3,406.31

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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.