Home / 8,289.83-11,436.20-4,930.73

Finding the Fourth Proportional to 8,289.83, 11,436.20 and 4,930.73

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Solution

The fourth proportional to 8,289.83, 11,436.20 and 4,930.73 is: 6,802.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.83 : 11,436.20 = 4,930.73 : x
  2. Step 2: Convert to fraction form
    8,289.83/11,436.20 = 4,930.73/x
  3. Step 3: Cross multiply
    8,289.83x = 11,436.20 × 4,930.73
  4. Step 4: Simplify right side
    8,289.83x = 56,388,814.43
  5. Step 5: Solve for x
    x = 56,388,814.43/8,289.83
  6. Step 6: Final answer
    x = 6,802.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.