Home / 8,217.19-11,339.72-4,491.19

Finding the Fourth Proportional to 8,217.19, 11,339.72 and 4,491.19

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Solution

The fourth proportional to 8,217.19, 11,339.72 and 4,491.19 is: 6,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.19 : 11,339.72 = 4,491.19 : x
  2. Step 2: Convert to fraction form
    8,217.19/11,339.72 = 4,491.19/x
  3. Step 3: Cross multiply
    8,217.19x = 11,339.72 × 4,491.19
  4. Step 4: Simplify right side
    8,217.19x = 50,928,837.07
  5. Step 5: Solve for x
    x = 50,928,837.07/8,217.19
  6. Step 6: Final answer
    x = 6,197.84

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Half scale
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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.