Home / 8,518.89-11,752.83-6,286.11

Finding the Fourth Proportional to 8,518.89, 11,752.83 and 6,286.11

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Solution

The fourth proportional to 8,518.89, 11,752.83 and 6,286.11 is: 8,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.89 : 11,752.83 = 6,286.11 : x
  2. Step 2: Convert to fraction form
    8,518.89/11,752.83 = 6,286.11/x
  3. Step 3: Cross multiply
    8,518.89x = 11,752.83 × 6,286.11
  4. Step 4: Simplify right side
    8,518.89x = 73,879,582.19
  5. Step 5: Solve for x
    x = 73,879,582.19/8,518.89
  6. Step 6: Final answer
    x = 8,672.44

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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.