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Finding the Fourth Proportional to 7,364.73, 10,160.73 and 4,177.56

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Solution

The fourth proportional to 7,364.73, 10,160.73 and 4,177.56 is: 5,763.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.73 : 10,160.73 = 4,177.56 : x
  2. Step 2: Convert to fraction form
    7,364.73/10,160.73 = 4,177.56/x
  3. Step 3: Cross multiply
    7,364.73x = 10,160.73 × 4,177.56
  4. Step 4: Simplify right side
    7,364.73x = 42,447,059.22
  5. Step 5: Solve for x
    x = 42,447,059.22/7,364.73
  6. Step 6: Final answer
    x = 5,763.56

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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.