Home / 5,497.79-8,247.49-1,988.06

Finding the Fourth Proportional to 5,497.79, 8,247.49 and 1,988.06

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Solution

The fourth proportional to 5,497.79, 8,247.49 and 1,988.06 is: 2,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.79 : 8,247.49 = 1,988.06 : x
  2. Step 2: Convert to fraction form
    5,497.79/8,247.49 = 1,988.06/x
  3. Step 3: Cross multiply
    5,497.79x = 8,247.49 × 1,988.06
  4. Step 4: Simplify right side
    5,497.79x = 16,396,458.76
  5. Step 5: Solve for x
    x = 16,396,458.76/5,497.79
  6. Step 6: Final answer
    x = 2,982.38

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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.