Home / 5,077.39-7,617.29-1,614.64

Finding the Fourth Proportional to 5,077.39, 7,617.29 and 1,614.64

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Solution

The fourth proportional to 5,077.39, 7,617.29 and 1,614.64 is: 2,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.39 : 7,617.29 = 1,614.64 : x
  2. Step 2: Convert to fraction form
    5,077.39/7,617.29 = 1,614.64/x
  3. Step 3: Cross multiply
    5,077.39x = 7,617.29 × 1,614.64
  4. Step 4: Simplify right side
    5,077.39x = 12,299,173.05
  5. Step 5: Solve for x
    x = 12,299,173.05/5,077.39
  6. Step 6: Final answer
    x = 2,422.34

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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.