Home / 7,197.75-10,780.97-3,492.16

Finding the Fourth Proportional to 7,197.75, 10,780.97 and 3,492.16

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Solution

The fourth proportional to 7,197.75, 10,780.97 and 3,492.16 is: 5,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.75 : 10,780.97 = 3,492.16 : x
  2. Step 2: Convert to fraction form
    7,197.75/10,780.97 = 3,492.16/x
  3. Step 3: Cross multiply
    7,197.75x = 10,780.97 × 3,492.16
  4. Step 4: Simplify right side
    7,197.75x = 37,648,827.78
  5. Step 5: Solve for x
    x = 37,648,827.78/7,197.75
  6. Step 6: Final answer
    x = 5,230.64

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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.