Home / 8,133.40-12,200.92-2,210.38

Finding the Fourth Proportional to 8,133.40, 12,200.92 and 2,210.38

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Solution

The fourth proportional to 8,133.40, 12,200.92 and 2,210.38 is: 3,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.40 : 12,200.92 = 2,210.38 : x
  2. Step 2: Convert to fraction form
    8,133.40/12,200.92 = 2,210.38/x
  3. Step 3: Cross multiply
    8,133.40x = 12,200.92 × 2,210.38
  4. Step 4: Simplify right side
    8,133.40x = 26,968,633.52
  5. Step 5: Solve for x
    x = 26,968,633.52/8,133.40
  6. Step 6: Final answer
    x = 3,315.79

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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.