Home / 5,195.17-7,787.89-1,907.38

Finding the Fourth Proportional to 5,195.17, 7,787.89 and 1,907.38

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Solution

The fourth proportional to 5,195.17, 7,787.89 and 1,907.38 is: 2,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.17 : 7,787.89 = 1,907.38 : x
  2. Step 2: Convert to fraction form
    5,195.17/7,787.89 = 1,907.38/x
  3. Step 3: Cross multiply
    5,195.17x = 7,787.89 × 1,907.38
  4. Step 4: Simplify right side
    5,195.17x = 14,854,465.63
  5. Step 5: Solve for x
    x = 14,854,465.63/5,195.17
  6. Step 6: Final answer
    x = 2,859.28

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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.