Home / 8,120.28-12,184.14-4,416.96

Finding the Fourth Proportional to 8,120.28, 12,184.14 and 4,416.96

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Solution

The fourth proportional to 8,120.28, 12,184.14 and 4,416.96 is: 6,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.28 : 12,184.14 = 4,416.96 : x
  2. Step 2: Convert to fraction form
    8,120.28/12,184.14 = 4,416.96/x
  3. Step 3: Cross multiply
    8,120.28x = 12,184.14 × 4,416.96
  4. Step 4: Simplify right side
    8,120.28x = 53,816,859.01
  5. Step 5: Solve for x
    x = 53,816,859.01/8,120.28
  6. Step 6: Final answer
    x = 6,627.46

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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.