Home / 5,272.68-7,908.66-1,809.48

Finding the Fourth Proportional to 5,272.68, 7,908.66 and 1,809.48

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Solution

The fourth proportional to 5,272.68, 7,908.66 and 1,809.48 is: 2,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.68 : 7,908.66 = 1,809.48 : x
  2. Step 2: Convert to fraction form
    5,272.68/7,908.66 = 1,809.48/x
  3. Step 3: Cross multiply
    5,272.68x = 7,908.66 × 1,809.48
  4. Step 4: Simplify right side
    5,272.68x = 14,310,562.10
  5. Step 5: Solve for x
    x = 14,310,562.10/5,272.68
  6. Step 6: Final answer
    x = 2,714.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.