Home / 8,789.67-13,184.46-2,215.82

Finding the Fourth Proportional to 8,789.67, 13,184.46 and 2,215.82

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Solution

The fourth proportional to 8,789.67, 13,184.46 and 2,215.82 is: 3,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.67 : 13,184.46 = 2,215.82 : x
  2. Step 2: Convert to fraction form
    8,789.67/13,184.46 = 2,215.82/x
  3. Step 3: Cross multiply
    8,789.67x = 13,184.46 × 2,215.82
  4. Step 4: Simplify right side
    8,789.67x = 29,214,423.12
  5. Step 5: Solve for x
    x = 29,214,423.12/8,789.67
  6. Step 6: Final answer
    x = 3,323.72

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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.