Home / 5,370.43-7,410.81-2,980.52

Finding the Fourth Proportional to 5,370.43, 7,410.81 and 2,980.52

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Solution

The fourth proportional to 5,370.43, 7,410.81 and 2,980.52 is: 4,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.43 : 7,410.81 = 2,980.52 : x
  2. Step 2: Convert to fraction form
    5,370.43/7,410.81 = 2,980.52/x
  3. Step 3: Cross multiply
    5,370.43x = 7,410.81 × 2,980.52
  4. Step 4: Simplify right side
    5,370.43x = 22,088,067.42
  5. Step 5: Solve for x
    x = 22,088,067.42/5,370.43
  6. Step 6: Final answer
    x = 4,112.91

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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.