Home / 5,814.77-8,722.50-2,117.39

Finding the Fourth Proportional to 5,814.77, 8,722.50 and 2,117.39

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Solution

The fourth proportional to 5,814.77, 8,722.50 and 2,117.39 is: 3,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.77 : 8,722.50 = 2,117.39 : x
  2. Step 2: Convert to fraction form
    5,814.77/8,722.50 = 2,117.39/x
  3. Step 3: Cross multiply
    5,814.77x = 8,722.50 × 2,117.39
  4. Step 4: Simplify right side
    5,814.77x = 18,468,923.69
  5. Step 5: Solve for x
    x = 18,468,923.69/5,814.77
  6. Step 6: Final answer
    x = 3,176.21

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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.