Home / 4,186.68-5,777.76-2,772.82

Finding the Fourth Proportional to 4,186.68, 5,777.76 and 2,772.82

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Solution

The fourth proportional to 4,186.68, 5,777.76 and 2,772.82 is: 3,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.68 : 5,777.76 = 2,772.82 : x
  2. Step 2: Convert to fraction form
    4,186.68/5,777.76 = 2,772.82/x
  3. Step 3: Cross multiply
    4,186.68x = 5,777.76 × 2,772.82
  4. Step 4: Simplify right side
    4,186.68x = 16,020,688.48
  5. Step 5: Solve for x
    x = 16,020,688.48/4,186.68
  6. Step 6: Final answer
    x = 3,826.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.