Home / 4,265.54-6,405.51-2,787.29

Finding the Fourth Proportional to 4,265.54, 6,405.51 and 2,787.29

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Solution

The fourth proportional to 4,265.54, 6,405.51 and 2,787.29 is: 4,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.54 : 6,405.51 = 2,787.29 : x
  2. Step 2: Convert to fraction form
    4,265.54/6,405.51 = 2,787.29/x
  3. Step 3: Cross multiply
    4,265.54x = 6,405.51 × 2,787.29
  4. Step 4: Simplify right side
    4,265.54x = 17,854,013.97
  5. Step 5: Solve for x
    x = 17,854,013.97/4,265.54
  6. Step 6: Final answer
    x = 4,185.64

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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.