Home / 4,979.36-7,469.28-1,516.64

Finding the Fourth Proportional to 4,979.36, 7,469.28 and 1,516.64

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Solution

The fourth proportional to 4,979.36, 7,469.28 and 1,516.64 is: 2,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.36 : 7,469.28 = 1,516.64 : x
  2. Step 2: Convert to fraction form
    4,979.36/7,469.28 = 1,516.64/x
  3. Step 3: Cross multiply
    4,979.36x = 7,469.28 × 1,516.64
  4. Step 4: Simplify right side
    4,979.36x = 11,328,208.82
  5. Step 5: Solve for x
    x = 11,328,208.82/4,979.36
  6. Step 6: Final answer
    x = 2,275.03

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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.