Home / 7,110.55-9,812.60-3,966.73

Finding the Fourth Proportional to 7,110.55, 9,812.60 and 3,966.73

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Solution

The fourth proportional to 7,110.55, 9,812.60 and 3,966.73 is: 5,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.55 : 9,812.60 = 3,966.73 : x
  2. Step 2: Convert to fraction form
    7,110.55/9,812.60 = 3,966.73/x
  3. Step 3: Cross multiply
    7,110.55x = 9,812.60 × 3,966.73
  4. Step 4: Simplify right side
    7,110.55x = 38,923,934.80
  5. Step 5: Solve for x
    x = 38,923,934.80/7,110.55
  6. Step 6: Final answer
    x = 5,474.11

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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.