Home / 8,202.72-12,303.36-4,253.80

Finding the Fourth Proportional to 8,202.72, 12,303.36 and 4,253.80

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Solution

The fourth proportional to 8,202.72, 12,303.36 and 4,253.80 is: 6,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.72 : 12,303.36 = 4,253.80 : x
  2. Step 2: Convert to fraction form
    8,202.72/12,303.36 = 4,253.80/x
  3. Step 3: Cross multiply
    8,202.72x = 12,303.36 × 4,253.80
  4. Step 4: Simplify right side
    8,202.72x = 52,336,032.77
  5. Step 5: Solve for x
    x = 52,336,032.77/8,202.72
  6. Step 6: Final answer
    x = 6,380.33

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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.