Home / 5,214.52-7,820.83-2,094.40

Finding the Fourth Proportional to 5,214.52, 7,820.83 and 2,094.40

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Solution

The fourth proportional to 5,214.52, 7,820.83 and 2,094.40 is: 3,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.52 : 7,820.83 = 2,094.40 : x
  2. Step 2: Convert to fraction form
    5,214.52/7,820.83 = 2,094.40/x
  3. Step 3: Cross multiply
    5,214.52x = 7,820.83 × 2,094.40
  4. Step 4: Simplify right side
    5,214.52x = 16,379,896.78
  5. Step 5: Solve for x
    x = 16,379,896.78/5,214.52
  6. Step 6: Final answer
    x = 3,141.21

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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.