Home / 5,209.27-7,810.83-2,090.74

Finding the Fourth Proportional to 5,209.27, 7,810.83 and 2,090.74

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Solution

The fourth proportional to 5,209.27, 7,810.83 and 2,090.74 is: 3,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.27 : 7,810.83 = 2,090.74 : x
  2. Step 2: Convert to fraction form
    5,209.27/7,810.83 = 2,090.74/x
  3. Step 3: Cross multiply
    5,209.27x = 7,810.83 × 2,090.74
  4. Step 4: Simplify right side
    5,209.27x = 16,330,414.71
  5. Step 5: Solve for x
    x = 16,330,414.71/5,209.27
  6. Step 6: Final answer
    x = 3,134.88

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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.