Home / 8,950.20-13,429.09-4,789.13

Finding the Fourth Proportional to 8,950.20, 13,429.09 and 4,789.13

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Solution

The fourth proportional to 8,950.20, 13,429.09 and 4,789.13 is: 7,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.20 : 13,429.09 = 4,789.13 : x
  2. Step 2: Convert to fraction form
    8,950.20/13,429.09 = 4,789.13/x
  3. Step 3: Cross multiply
    8,950.20x = 13,429.09 × 4,789.13
  4. Step 4: Simplify right side
    8,950.20x = 64,313,596.63
  5. Step 5: Solve for x
    x = 64,313,596.63/8,950.20
  6. Step 6: Final answer
    x = 7,185.72

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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.