Home / 4,787.29-7,178.23-1,862.25

Finding the Fourth Proportional to 4,787.29, 7,178.23 and 1,862.25

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Solution

The fourth proportional to 4,787.29, 7,178.23 and 1,862.25 is: 2,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.29 : 7,178.23 = 1,862.25 : x
  2. Step 2: Convert to fraction form
    4,787.29/7,178.23 = 1,862.25/x
  3. Step 3: Cross multiply
    4,787.29x = 7,178.23 × 1,862.25
  4. Step 4: Simplify right side
    4,787.29x = 13,367,658.82
  5. Step 5: Solve for x
    x = 13,367,658.82/4,787.29
  6. Step 6: Final answer
    x = 2,792.32

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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.