Home / 5,918.64-8,877.88-2,222.61

Finding the Fourth Proportional to 5,918.64, 8,877.88 and 2,222.61

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Solution

The fourth proportional to 5,918.64, 8,877.88 and 2,222.61 is: 3,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.64 : 8,877.88 = 2,222.61 : x
  2. Step 2: Convert to fraction form
    5,918.64/8,877.88 = 2,222.61/x
  3. Step 3: Cross multiply
    5,918.64x = 8,877.88 × 2,222.61
  4. Step 4: Simplify right side
    5,918.64x = 19,732,064.87
  5. Step 5: Solve for x
    x = 19,732,064.87/5,918.64
  6. Step 6: Final answer
    x = 3,333.88

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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.