Home / 4,155.46-5,733.47-2,811.76

Finding the Fourth Proportional to 4,155.46, 5,733.47 and 2,811.76

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Solution

The fourth proportional to 4,155.46, 5,733.47 and 2,811.76 is: 3,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.46 : 5,733.47 = 2,811.76 : x
  2. Step 2: Convert to fraction form
    4,155.46/5,733.47 = 2,811.76/x
  3. Step 3: Cross multiply
    4,155.46x = 5,733.47 × 2,811.76
  4. Step 4: Simplify right side
    4,155.46x = 16,121,134.30
  5. Step 5: Solve for x
    x = 16,121,134.30/4,155.46
  6. Step 6: Final answer
    x = 3,879.51

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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.