Home / 4,438.64-6,122.16-3,112.64

Finding the Fourth Proportional to 4,438.64, 6,122.16 and 3,112.64

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Solution

The fourth proportional to 4,438.64, 6,122.16 and 3,112.64 is: 4,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.64 : 6,122.16 = 3,112.64 : x
  2. Step 2: Convert to fraction form
    4,438.64/6,122.16 = 3,112.64/x
  3. Step 3: Cross multiply
    4,438.64x = 6,122.16 × 3,112.64
  4. Step 4: Simplify right side
    4,438.64x = 19,056,080.10
  5. Step 5: Solve for x
    x = 19,056,080.10/4,438.64
  6. Step 6: Final answer
    x = 4,293.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.