Home / 5,411.24-8,116.10-2,126.64

Finding the Fourth Proportional to 5,411.24, 8,116.10 and 2,126.64

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Solution

The fourth proportional to 5,411.24, 8,116.10 and 2,126.64 is: 3,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.24 : 8,116.10 = 2,126.64 : x
  2. Step 2: Convert to fraction form
    5,411.24/8,116.10 = 2,126.64/x
  3. Step 3: Cross multiply
    5,411.24x = 8,116.10 × 2,126.64
  4. Step 4: Simplify right side
    5,411.24x = 17,260,022.90
  5. Step 5: Solve for x
    x = 17,260,022.90/5,411.24
  6. Step 6: Final answer
    x = 3,189.66

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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.