Home / 8,228.53-11,355.39-4,691.65

Finding the Fourth Proportional to 8,228.53, 11,355.39 and 4,691.65

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Solution

The fourth proportional to 8,228.53, 11,355.39 and 4,691.65 is: 6,474.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.53 : 11,355.39 = 4,691.65 : x
  2. Step 2: Convert to fraction form
    8,228.53/11,355.39 = 4,691.65/x
  3. Step 3: Cross multiply
    8,228.53x = 11,355.39 × 4,691.65
  4. Step 4: Simplify right side
    8,228.53x = 53,275,515.49
  5. Step 5: Solve for x
    x = 53,275,515.49/8,228.53
  6. Step 6: Final answer
    x = 6,474.49

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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.