Home / 8,245.20-12,365.40-4,549.20

Finding the Fourth Proportional to 8,245.20, 12,365.40 and 4,549.20

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Solution

The fourth proportional to 8,245.20, 12,365.40 and 4,549.20 is: 6,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.20 : 12,365.40 = 4,549.20 : x
  2. Step 2: Convert to fraction form
    8,245.20/12,365.40 = 4,549.20/x
  3. Step 3: Cross multiply
    8,245.20x = 12,365.40 × 4,549.20
  4. Step 4: Simplify right side
    8,245.20x = 56,252,677.68
  5. Step 5: Solve for x
    x = 56,252,677.68/8,245.20
  6. Step 6: Final answer
    x = 6,822.48

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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.