Home / 5,617.10-8,426.46-1,721.81

Finding the Fourth Proportional to 5,617.10, 8,426.46 and 1,721.81

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Solution

The fourth proportional to 5,617.10, 8,426.46 and 1,721.81 is: 2,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.10 : 8,426.46 = 1,721.81 : x
  2. Step 2: Convert to fraction form
    5,617.10/8,426.46 = 1,721.81/x
  3. Step 3: Cross multiply
    5,617.10x = 8,426.46 × 1,721.81
  4. Step 4: Simplify right side
    5,617.10x = 14,508,790.62
  5. Step 5: Solve for x
    x = 14,508,790.62/5,617.10
  6. Step 6: Final answer
    x = 2,582.97

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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.