Home / 4,642.89-6,964.70-1,721.22

Finding the Fourth Proportional to 4,642.89, 6,964.70 and 1,721.22

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Solution

The fourth proportional to 4,642.89, 6,964.70 and 1,721.22 is: 2,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.89 : 6,964.70 = 1,721.22 : x
  2. Step 2: Convert to fraction form
    4,642.89/6,964.70 = 1,721.22/x
  3. Step 3: Cross multiply
    4,642.89x = 6,964.70 × 1,721.22
  4. Step 4: Simplify right side
    4,642.89x = 11,987,780.93
  5. Step 5: Solve for x
    x = 11,987,780.93/4,642.89
  6. Step 6: Final answer
    x = 2,581.97

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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.