Home / 4,929.51-7,397.10-1,809.09

Finding the Fourth Proportional to 4,929.51, 7,397.10 and 1,809.09

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Solution

The fourth proportional to 4,929.51, 7,397.10 and 1,809.09 is: 2,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.51 : 7,397.10 = 1,809.09 : x
  2. Step 2: Convert to fraction form
    4,929.51/7,397.10 = 1,809.09/x
  3. Step 3: Cross multiply
    4,929.51x = 7,397.10 × 1,809.09
  4. Step 4: Simplify right side
    4,929.51x = 13,382,019.64
  5. Step 5: Solve for x
    x = 13,382,019.64/4,929.51
  6. Step 6: Final answer
    x = 2,714.68

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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.