Home / 9,197.55-13,778.10-5,489.37

Finding the Fourth Proportional to 9,197.55, 13,778.10 and 5,489.37

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Solution

The fourth proportional to 9,197.55, 13,778.10 and 5,489.37 is: 8,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.55 : 13,778.10 = 5,489.37 : x
  2. Step 2: Convert to fraction form
    9,197.55/13,778.10 = 5,489.37/x
  3. Step 3: Cross multiply
    9,197.55x = 13,778.10 × 5,489.37
  4. Step 4: Simplify right side
    9,197.55x = 75,633,088.80
  5. Step 5: Solve for x
    x = 75,633,088.80/9,197.55
  6. Step 6: Final answer
    x = 8,223.18

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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.