Home / 5,210.85-7,817.17-1,923.96

Finding the Fourth Proportional to 5,210.85, 7,817.17 and 1,923.96

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Solution

The fourth proportional to 5,210.85, 7,817.17 and 1,923.96 is: 2,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.85 : 7,817.17 = 1,923.96 : x
  2. Step 2: Convert to fraction form
    5,210.85/7,817.17 = 1,923.96/x
  3. Step 3: Cross multiply
    5,210.85x = 7,817.17 × 1,923.96
  4. Step 4: Simplify right side
    5,210.85x = 15,039,922.39
  5. Step 5: Solve for x
    x = 15,039,922.39/5,210.85
  6. Step 6: Final answer
    x = 2,886.27

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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.