Home / 4,283.10-6,422.08-1,781.27

Finding the Fourth Proportional to 4,283.10, 6,422.08 and 1,781.27

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Solution

The fourth proportional to 4,283.10, 6,422.08 and 1,781.27 is: 2,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.10 : 6,422.08 = 1,781.27 : x
  2. Step 2: Convert to fraction form
    4,283.10/6,422.08 = 1,781.27/x
  3. Step 3: Cross multiply
    4,283.10x = 6,422.08 × 1,781.27
  4. Step 4: Simplify right side
    4,283.10x = 11,439,458.44
  5. Step 5: Solve for x
    x = 11,439,458.44/4,283.10
  6. Step 6: Final answer
    x = 2,670.84

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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.