Home / 8,202.40-12,303.60-3,272.80

Finding the Fourth Proportional to 8,202.40, 12,303.60 and 3,272.80

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Solution

The fourth proportional to 8,202.40, 12,303.60 and 3,272.80 is: 4,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.40 : 12,303.60 = 3,272.80 : x
  2. Step 2: Convert to fraction form
    8,202.40/12,303.60 = 3,272.80/x
  3. Step 3: Cross multiply
    8,202.40x = 12,303.60 × 3,272.80
  4. Step 4: Simplify right side
    8,202.40x = 40,267,222.08
  5. Step 5: Solve for x
    x = 40,267,222.08/8,202.40
  6. Step 6: Final answer
    x = 4,909.20

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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.