Home / 8,205.60-11,324.24-4,669.12

Finding the Fourth Proportional to 8,205.60, 11,324.24 and 4,669.12

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Solution

The fourth proportional to 8,205.60, 11,324.24 and 4,669.12 is: 6,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.60 : 11,324.24 = 4,669.12 : x
  2. Step 2: Convert to fraction form
    8,205.60/11,324.24 = 4,669.12/x
  3. Step 3: Cross multiply
    8,205.60x = 11,324.24 × 4,669.12
  4. Step 4: Simplify right side
    8,205.60x = 52,874,235.47
  5. Step 5: Solve for x
    x = 52,874,235.47/8,205.60
  6. Step 6: Final answer
    x = 6,443.68

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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.