Home / 5,137.08-7,090.92-3,956.64

Finding the Fourth Proportional to 5,137.08, 7,090.92 and 3,956.64

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Solution

The fourth proportional to 5,137.08, 7,090.92 and 3,956.64 is: 5,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.08 : 7,090.92 = 3,956.64 : x
  2. Step 2: Convert to fraction form
    5,137.08/7,090.92 = 3,956.64/x
  3. Step 3: Cross multiply
    5,137.08x = 7,090.92 × 3,956.64
  4. Step 4: Simplify right side
    5,137.08x = 28,056,217.71
  5. Step 5: Solve for x
    x = 28,056,217.71/5,137.08
  6. Step 6: Final answer
    x = 5,461.51

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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.