Home / 4,159.61-6,239.45-1,081.61

Finding the Fourth Proportional to 4,159.61, 6,239.45 and 1,081.61

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Solution

The fourth proportional to 4,159.61, 6,239.45 and 1,081.61 is: 1,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.61 : 6,239.45 = 1,081.61 : x
  2. Step 2: Convert to fraction form
    4,159.61/6,239.45 = 1,081.61/x
  3. Step 3: Cross multiply
    4,159.61x = 6,239.45 × 1,081.61
  4. Step 4: Simplify right side
    4,159.61x = 6,748,623.02
  5. Step 5: Solve for x
    x = 6,748,623.02/4,159.61
  6. Step 6: Final answer
    x = 1,622.42

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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.