Home / 5,461.80-8,186.20-2,997.76

Finding the Fourth Proportional to 5,461.80, 8,186.20 and 2,997.76

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Solution

The fourth proportional to 5,461.80, 8,186.20 and 2,997.76 is: 4,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.80 : 8,186.20 = 2,997.76 : x
  2. Step 2: Convert to fraction form
    5,461.80/8,186.20 = 2,997.76/x
  3. Step 3: Cross multiply
    5,461.80x = 8,186.20 × 2,997.76
  4. Step 4: Simplify right side
    5,461.80x = 24,540,262.91
  5. Step 5: Solve for x
    x = 24,540,262.91/5,461.80
  6. Step 6: Final answer
    x = 4,493.07

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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.