Home / 5,345.22-8,018.37-1,397.09

Finding the Fourth Proportional to 5,345.22, 8,018.37 and 1,397.09

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Solution

The fourth proportional to 5,345.22, 8,018.37 and 1,397.09 is: 2,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.22 : 8,018.37 = 1,397.09 : x
  2. Step 2: Convert to fraction form
    5,345.22/8,018.37 = 1,397.09/x
  3. Step 3: Cross multiply
    5,345.22x = 8,018.37 × 1,397.09
  4. Step 4: Simplify right side
    5,345.22x = 11,202,344.45
  5. Step 5: Solve for x
    x = 11,202,344.45/5,345.22
  6. Step 6: Final answer
    x = 2,095.77

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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.