Home / 4,979.40-7,468.82-1,516.38

Finding the Fourth Proportional to 4,979.40, 7,468.82 and 1,516.38

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Solution

The fourth proportional to 4,979.40, 7,468.82 and 1,516.38 is: 2,274.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.40 : 7,468.82 = 1,516.38 : x
  2. Step 2: Convert to fraction form
    4,979.40/7,468.82 = 1,516.38/x
  3. Step 3: Cross multiply
    4,979.40x = 7,468.82 × 1,516.38
  4. Step 4: Simplify right side
    4,979.40x = 11,325,569.27
  5. Step 5: Solve for x
    x = 11,325,569.27/4,979.40
  6. Step 6: Final answer
    x = 2,274.48

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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.