Home / 4,929.80-6,802.99-2,691.77

Finding the Fourth Proportional to 4,929.80, 6,802.99 and 2,691.77

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Solution

The fourth proportional to 4,929.80, 6,802.99 and 2,691.77 is: 3,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.80 : 6,802.99 = 2,691.77 : x
  2. Step 2: Convert to fraction form
    4,929.80/6,802.99 = 2,691.77/x
  3. Step 3: Cross multiply
    4,929.80x = 6,802.99 × 2,691.77
  4. Step 4: Simplify right side
    4,929.80x = 18,312,043.65
  5. Step 5: Solve for x
    x = 18,312,043.65/4,929.80
  6. Step 6: Final answer
    x = 3,714.56

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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.