Home / 8,206.48-11,324.52-4,479.76

Finding the Fourth Proportional to 8,206.48, 11,324.52 and 4,479.76

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Solution

The fourth proportional to 8,206.48, 11,324.52 and 4,479.76 is: 6,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.48 : 11,324.52 = 4,479.76 : x
  2. Step 2: Convert to fraction form
    8,206.48/11,324.52 = 4,479.76/x
  3. Step 3: Cross multiply
    8,206.48x = 11,324.52 × 4,479.76
  4. Step 4: Simplify right side
    8,206.48x = 50,731,131.72
  5. Step 5: Solve for x
    x = 50,731,131.72/8,206.48
  6. Step 6: Final answer
    x = 6,181.84

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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.