Home / 5,785.11-8,682.53-3,012.75

Finding the Fourth Proportional to 5,785.11, 8,682.53 and 3,012.75

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Solution

The fourth proportional to 5,785.11, 8,682.53 and 3,012.75 is: 4,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.11 : 8,682.53 = 3,012.75 : x
  2. Step 2: Convert to fraction form
    5,785.11/8,682.53 = 3,012.75/x
  3. Step 3: Cross multiply
    5,785.11x = 8,682.53 × 3,012.75
  4. Step 4: Simplify right side
    5,785.11x = 26,158,277.19
  5. Step 5: Solve for x
    x = 26,158,277.19/5,785.11
  6. Step 6: Final answer
    x = 4,521.66

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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.