Home / 4,937.49-7,407.72-2,857.02

Finding the Fourth Proportional to 4,937.49, 7,407.72 and 2,857.02

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Solution

The fourth proportional to 4,937.49, 7,407.72 and 2,857.02 is: 4,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.49 : 7,407.72 = 2,857.02 : x
  2. Step 2: Convert to fraction form
    4,937.49/7,407.72 = 2,857.02/x
  3. Step 3: Cross multiply
    4,937.49x = 7,407.72 × 2,857.02
  4. Step 4: Simplify right side
    4,937.49x = 21,164,004.19
  5. Step 5: Solve for x
    x = 21,164,004.19/4,937.49
  6. Step 6: Final answer
    x = 4,286.39

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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.