Home / 5,549.76-7,660.08-3,192.12

Finding the Fourth Proportional to 5,549.76, 7,660.08 and 3,192.12

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Solution

The fourth proportional to 5,549.76, 7,660.08 and 3,192.12 is: 4,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.76 : 7,660.08 = 3,192.12 : x
  2. Step 2: Convert to fraction form
    5,549.76/7,660.08 = 3,192.12/x
  3. Step 3: Cross multiply
    5,549.76x = 7,660.08 × 3,192.12
  4. Step 4: Simplify right side
    5,549.76x = 24,451,894.57
  5. Step 5: Solve for x
    x = 24,451,894.57/5,549.76
  6. Step 6: Final answer
    x = 4,405.94

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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.