Home / 5,810.28-8,714.07-2,112.90

Finding the Fourth Proportional to 5,810.28, 8,714.07 and 2,112.90

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Solution

The fourth proportional to 5,810.28, 8,714.07 and 2,112.90 is: 3,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.28 : 8,714.07 = 2,112.90 : x
  2. Step 2: Convert to fraction form
    5,810.28/8,714.07 = 2,112.90/x
  3. Step 3: Cross multiply
    5,810.28x = 8,714.07 × 2,112.90
  4. Step 4: Simplify right side
    5,810.28x = 18,411,958.50
  5. Step 5: Solve for x
    x = 18,411,958.50/5,810.28
  6. Step 6: Final answer
    x = 3,168.86

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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.