Home / 4,929.76-6,802.80-2,691.60

Finding the Fourth Proportional to 4,929.76, 6,802.80 and 2,691.60

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Solution

The fourth proportional to 4,929.76, 6,802.80 and 2,691.60 is: 3,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.76 : 6,802.80 = 2,691.60 : x
  2. Step 2: Convert to fraction form
    4,929.76/6,802.80 = 2,691.60/x
  3. Step 3: Cross multiply
    4,929.76x = 6,802.80 × 2,691.60
  4. Step 4: Simplify right side
    4,929.76x = 18,310,416.48
  5. Step 5: Solve for x
    x = 18,310,416.48/4,929.76
  6. Step 6: Final answer
    x = 3,714.26

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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.