Home / 5,645.16-8,443.08-3,299.58

Finding the Fourth Proportional to 5,645.16, 8,443.08 and 3,299.58

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Solution

The fourth proportional to 5,645.16, 8,443.08 and 3,299.58 is: 4,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.16 : 8,443.08 = 3,299.58 : x
  2. Step 2: Convert to fraction form
    5,645.16/8,443.08 = 3,299.58/x
  3. Step 3: Cross multiply
    5,645.16x = 8,443.08 × 3,299.58
  4. Step 4: Simplify right side
    5,645.16x = 27,858,617.91
  5. Step 5: Solve for x
    x = 27,858,617.91/5,645.16
  6. Step 6: Final answer
    x = 4,934.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.