Home / 5,851.53-8,780.76-2,156.36

Finding the Fourth Proportional to 5,851.53, 8,780.76 and 2,156.36

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Solution

The fourth proportional to 5,851.53, 8,780.76 and 2,156.36 is: 3,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.53 : 8,780.76 = 2,156.36 : x
  2. Step 2: Convert to fraction form
    5,851.53/8,780.76 = 2,156.36/x
  3. Step 3: Cross multiply
    5,851.53x = 8,780.76 × 2,156.36
  4. Step 4: Simplify right side
    5,851.53x = 18,934,435.73
  5. Step 5: Solve for x
    x = 18,934,435.73/5,851.53
  6. Step 6: Final answer
    x = 3,235.81

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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.