Home / 4,929.09-6,802.11-2,690.97

Finding the Fourth Proportional to 4,929.09, 6,802.11 and 2,690.97

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Solution

The fourth proportional to 4,929.09, 6,802.11 and 2,690.97 is: 3,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.09 : 6,802.11 = 2,690.97 : x
  2. Step 2: Convert to fraction form
    4,929.09/6,802.11 = 2,690.97/x
  3. Step 3: Cross multiply
    4,929.09x = 6,802.11 × 2,690.97
  4. Step 4: Simplify right side
    4,929.09x = 18,304,273.95
  5. Step 5: Solve for x
    x = 18,304,273.95/4,929.09
  6. Step 6: Final answer
    x = 3,713.52

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1.5x scale

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.