Home / 8,042.20-12,063.30-2,777.20

Finding the Fourth Proportional to 8,042.20, 12,063.30 and 2,777.20

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Solution

The fourth proportional to 8,042.20, 12,063.30 and 2,777.20 is: 4,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.20 : 12,063.30 = 2,777.20 : x
  2. Step 2: Convert to fraction form
    8,042.20/12,063.30 = 2,777.20/x
  3. Step 3: Cross multiply
    8,042.20x = 12,063.30 × 2,777.20
  4. Step 4: Simplify right side
    8,042.20x = 33,502,196.76
  5. Step 5: Solve for x
    x = 33,502,196.76/8,042.20
  6. Step 6: Final answer
    x = 4,165.80

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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.