Home / 4,918.61-6,787.87-2,929.39

Finding the Fourth Proportional to 4,918.61, 6,787.87 and 2,929.39

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Solution

The fourth proportional to 4,918.61, 6,787.87 and 2,929.39 is: 4,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.61 : 6,787.87 = 2,929.39 : x
  2. Step 2: Convert to fraction form
    4,918.61/6,787.87 = 2,929.39/x
  3. Step 3: Cross multiply
    4,918.61x = 6,787.87 × 2,929.39
  4. Step 4: Simplify right side
    4,918.61x = 19,884,294.21
  5. Step 5: Solve for x
    x = 19,884,294.21/4,918.61
  6. Step 6: Final answer
    x = 4,042.66

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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.