Home / 5,102.20-7,041.75-2,834.05

Finding the Fourth Proportional to 5,102.20, 7,041.75 and 2,834.05

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Solution

The fourth proportional to 5,102.20, 7,041.75 and 2,834.05 is: 3,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.20 : 7,041.75 = 2,834.05 : x
  2. Step 2: Convert to fraction form
    5,102.20/7,041.75 = 2,834.05/x
  3. Step 3: Cross multiply
    5,102.20x = 7,041.75 × 2,834.05
  4. Step 4: Simplify right side
    5,102.20x = 19,956,657.42
  5. Step 5: Solve for x
    x = 19,956,657.42/5,102.20
  6. Step 6: Final answer
    x = 3,911.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.