Home / 5,851.93-8,781.39-2,103.40

Finding the Fourth Proportional to 5,851.93, 8,781.39 and 2,103.40

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Solution

The fourth proportional to 5,851.93, 8,781.39 and 2,103.40 is: 3,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.93 : 8,781.39 = 2,103.40 : x
  2. Step 2: Convert to fraction form
    5,851.93/8,781.39 = 2,103.40/x
  3. Step 3: Cross multiply
    5,851.93x = 8,781.39 × 2,103.40
  4. Step 4: Simplify right side
    5,851.93x = 18,470,775.73
  5. Step 5: Solve for x
    x = 18,470,775.73/5,851.93
  6. Step 6: Final answer
    x = 3,156.36

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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.