Home / 5,616.71-8,426.69-1,721.69

Finding the Fourth Proportional to 5,616.71, 8,426.69 and 1,721.69

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Solution

The fourth proportional to 5,616.71, 8,426.69 and 1,721.69 is: 2,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.71 : 8,426.69 = 1,721.69 : x
  2. Step 2: Convert to fraction form
    5,616.71/8,426.69 = 1,721.69/x
  3. Step 3: Cross multiply
    5,616.71x = 8,426.69 × 1,721.69
  4. Step 4: Simplify right side
    5,616.71x = 14,508,147.91
  5. Step 5: Solve for x
    x = 14,508,147.91/5,616.71
  6. Step 6: Final answer
    x = 2,583.03

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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.