Home / 4,871.10-7,299.34-2,921.16

Finding the Fourth Proportional to 4,871.10, 7,299.34 and 2,921.16

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Solution

The fourth proportional to 4,871.10, 7,299.34 and 2,921.16 is: 4,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.10 : 7,299.34 = 2,921.16 : x
  2. Step 2: Convert to fraction form
    4,871.10/7,299.34 = 2,921.16/x
  3. Step 3: Cross multiply
    4,871.10x = 7,299.34 × 2,921.16
  4. Step 4: Simplify right side
    4,871.10x = 21,322,540.03
  5. Step 5: Solve for x
    x = 21,322,540.03/4,871.10
  6. Step 6: Final answer
    x = 4,377.36

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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.