Home / 5,410.35-7,458.87-3,419.91

Finding the Fourth Proportional to 5,410.35, 7,458.87 and 3,419.91

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Solution

The fourth proportional to 5,410.35, 7,458.87 and 3,419.91 is: 4,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.35 : 7,458.87 = 3,419.91 : x
  2. Step 2: Convert to fraction form
    5,410.35/7,458.87 = 3,419.91/x
  3. Step 3: Cross multiply
    5,410.35x = 7,458.87 × 3,419.91
  4. Step 4: Simplify right side
    5,410.35x = 25,508,664.10
  5. Step 5: Solve for x
    x = 25,508,664.10/5,410.35
  6. Step 6: Final answer
    x = 4,714.79

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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.