Home / 5,311.73-7,966.65-2,389.52

Finding the Fourth Proportional to 5,311.73, 7,966.65 and 2,389.52

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Solution

The fourth proportional to 5,311.73, 7,966.65 and 2,389.52 is: 3,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.73 : 7,966.65 = 2,389.52 : x
  2. Step 2: Convert to fraction form
    5,311.73/7,966.65 = 2,389.52/x
  3. Step 3: Cross multiply
    5,311.73x = 7,966.65 × 2,389.52
  4. Step 4: Simplify right side
    5,311.73x = 19,036,469.51
  5. Step 5: Solve for x
    x = 19,036,469.51/5,311.73
  6. Step 6: Final answer
    x = 3,583.85

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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.