Home / 4,642.38-6,963.63-1,720.69

Finding the Fourth Proportional to 4,642.38, 6,963.63 and 1,720.69

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Solution

The fourth proportional to 4,642.38, 6,963.63 and 1,720.69 is: 2,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.38 : 6,963.63 = 1,720.69 : x
  2. Step 2: Convert to fraction form
    4,642.38/6,963.63 = 1,720.69/x
  3. Step 3: Cross multiply
    4,642.38x = 6,963.63 × 1,720.69
  4. Step 4: Simplify right side
    4,642.38x = 11,982,239.16
  5. Step 5: Solve for x
    x = 11,982,239.16/4,642.38
  6. Step 6: Final answer
    x = 2,581.05

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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.