Home / 8,826.46-13,239.39-4,143.85

Finding the Fourth Proportional to 8,826.46, 13,239.39 and 4,143.85

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Solution

The fourth proportional to 8,826.46, 13,239.39 and 4,143.85 is: 6,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.46 : 13,239.39 = 4,143.85 : x
  2. Step 2: Convert to fraction form
    8,826.46/13,239.39 = 4,143.85/x
  3. Step 3: Cross multiply
    8,826.46x = 13,239.39 × 4,143.85
  4. Step 4: Simplify right side
    8,826.46x = 54,862,046.25
  5. Step 5: Solve for x
    x = 54,862,046.25/8,826.46
  6. Step 6: Final answer
    x = 6,215.63

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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.