Home / 8,133.04-12,199.60-2,289.70

Finding the Fourth Proportional to 8,133.04, 12,199.60 and 2,289.70

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Solution

The fourth proportional to 8,133.04, 12,199.60 and 2,289.70 is: 3,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.04 : 12,199.60 = 2,289.70 : x
  2. Step 2: Convert to fraction form
    8,133.04/12,199.60 = 2,289.70/x
  3. Step 3: Cross multiply
    8,133.04x = 12,199.60 × 2,289.70
  4. Step 4: Simplify right side
    8,133.04x = 27,933,424.12
  5. Step 5: Solve for x
    x = 27,933,424.12/8,133.04
  6. Step 6: Final answer
    x = 3,434.56

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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.