Home / 5,682.28-8,517.93-1,785.76

Finding the Fourth Proportional to 5,682.28, 8,517.93 and 1,785.76

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Solution

The fourth proportional to 5,682.28, 8,517.93 and 1,785.76 is: 2,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.28 : 8,517.93 = 1,785.76 : x
  2. Step 2: Convert to fraction form
    5,682.28/8,517.93 = 1,785.76/x
  3. Step 3: Cross multiply
    5,682.28x = 8,517.93 × 1,785.76
  4. Step 4: Simplify right side
    5,682.28x = 15,210,978.68
  5. Step 5: Solve for x
    x = 15,210,978.68/5,682.28
  6. Step 6: Final answer
    x = 2,676.91

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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.