Home / 4,929.15-6,802.31-2,691.05

Finding the Fourth Proportional to 4,929.15, 6,802.31 and 2,691.05

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Solution

The fourth proportional to 4,929.15, 6,802.31 and 2,691.05 is: 3,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.15 : 6,802.31 = 2,691.05 : x
  2. Step 2: Convert to fraction form
    4,929.15/6,802.31 = 2,691.05/x
  3. Step 3: Cross multiply
    4,929.15x = 6,802.31 × 2,691.05
  4. Step 4: Simplify right side
    4,929.15x = 18,305,329.04
  5. Step 5: Solve for x
    x = 18,305,329.04/4,929.15
  6. Step 6: Final answer
    x = 3,713.69

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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.