Home / 7,197.03-9,932.09-4,212.90

Finding the Fourth Proportional to 7,197.03, 9,932.09 and 4,212.90

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Solution

The fourth proportional to 7,197.03, 9,932.09 and 4,212.90 is: 5,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.03 : 9,932.09 = 4,212.90 : x
  2. Step 2: Convert to fraction form
    7,197.03/9,932.09 = 4,212.90/x
  3. Step 3: Cross multiply
    7,197.03x = 9,932.09 × 4,212.90
  4. Step 4: Simplify right side
    7,197.03x = 41,842,880.90
  5. Step 5: Solve for x
    x = 41,842,880.90/7,197.03
  6. Step 6: Final answer
    x = 5,813.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.