Home / 8,133.13-12,191.47-3,200.84

Finding the Fourth Proportional to 8,133.13, 12,191.47 and 3,200.84

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Solution

The fourth proportional to 8,133.13, 12,191.47 and 3,200.84 is: 4,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.13 : 12,191.47 = 3,200.84 : x
  2. Step 2: Convert to fraction form
    8,133.13/12,191.47 = 3,200.84/x
  3. Step 3: Cross multiply
    8,133.13x = 12,191.47 × 3,200.84
  4. Step 4: Simplify right side
    8,133.13x = 39,022,875.88
  5. Step 5: Solve for x
    x = 39,022,875.88/8,133.13
  6. Step 6: Final answer
    x = 4,798.02

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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.