Home / 4,001.61-6,001.72-1,809.83

Finding the Fourth Proportional to 4,001.61, 6,001.72 and 1,809.83

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Solution

The fourth proportional to 4,001.61, 6,001.72 and 1,809.83 is: 2,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.61 : 6,001.72 = 1,809.83 : x
  2. Step 2: Convert to fraction form
    4,001.61/6,001.72 = 1,809.83/x
  3. Step 3: Cross multiply
    4,001.61x = 6,001.72 × 1,809.83
  4. Step 4: Simplify right side
    4,001.61x = 10,862,092.91
  5. Step 5: Solve for x
    x = 10,862,092.91/4,001.61
  6. Step 6: Final answer
    x = 2,714.43

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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.