Home / 8,331.67-11,497.89-4,555.09

Finding the Fourth Proportional to 8,331.67, 11,497.89 and 4,555.09

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Solution

The fourth proportional to 8,331.67, 11,497.89 and 4,555.09 is: 6,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.67 : 11,497.89 = 4,555.09 : x
  2. Step 2: Convert to fraction form
    8,331.67/11,497.89 = 4,555.09/x
  3. Step 3: Cross multiply
    8,331.67x = 11,497.89 × 4,555.09
  4. Step 4: Simplify right side
    8,331.67x = 52,373,923.76
  5. Step 5: Solve for x
    x = 52,373,923.76/8,331.67
  6. Step 6: Final answer
    x = 6,286.13

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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.