Home / 5,911.93-8,871.35-3,281.65

Finding the Fourth Proportional to 5,911.93, 8,871.35 and 3,281.65

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Solution

The fourth proportional to 5,911.93, 8,871.35 and 3,281.65 is: 4,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.93 : 8,871.35 = 3,281.65 : x
  2. Step 2: Convert to fraction form
    5,911.93/8,871.35 = 3,281.65/x
  3. Step 3: Cross multiply
    5,911.93x = 8,871.35 × 3,281.65
  4. Step 4: Simplify right side
    5,911.93x = 29,112,665.73
  5. Step 5: Solve for x
    x = 29,112,665.73/5,911.93
  6. Step 6: Final answer
    x = 4,924.39

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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.