Home / 4,918.76-6,787.30-2,929.40

Finding the Fourth Proportional to 4,918.76, 6,787.30 and 2,929.40

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Solution

The fourth proportional to 4,918.76, 6,787.30 and 2,929.40 is: 4,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.76 : 6,787.30 = 2,929.40 : x
  2. Step 2: Convert to fraction form
    4,918.76/6,787.30 = 2,929.40/x
  3. Step 3: Cross multiply
    4,918.76x = 6,787.30 × 2,929.40
  4. Step 4: Simplify right side
    4,918.76x = 19,882,716.62
  5. Step 5: Solve for x
    x = 19,882,716.62/4,918.76
  6. Step 6: Final answer
    x = 4,042.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.