Home / 4,455.42-6,681.78-1,857.75

Finding the Fourth Proportional to 4,455.42, 6,681.78 and 1,857.75

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Solution

The fourth proportional to 4,455.42, 6,681.78 and 1,857.75 is: 2,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.42 : 6,681.78 = 1,857.75 : x
  2. Step 2: Convert to fraction form
    4,455.42/6,681.78 = 1,857.75/x
  3. Step 3: Cross multiply
    4,455.42x = 6,681.78 × 1,857.75
  4. Step 4: Simplify right side
    4,455.42x = 12,413,076.80
  5. Step 5: Solve for x
    x = 12,413,076.80/4,455.42
  6. Step 6: Final answer
    x = 2,786.06

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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.