Home / 7,375.79-10,177.40-4,391.55

Finding the Fourth Proportional to 7,375.79, 10,177.40 and 4,391.55

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Solution

The fourth proportional to 7,375.79, 10,177.40 and 4,391.55 is: 6,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.79 : 10,177.40 = 4,391.55 : x
  2. Step 2: Convert to fraction form
    7,375.79/10,177.40 = 4,391.55/x
  3. Step 3: Cross multiply
    7,375.79x = 10,177.40 × 4,391.55
  4. Step 4: Simplify right side
    7,375.79x = 44,694,571.95
  5. Step 5: Solve for x
    x = 44,694,571.95/7,375.79
  6. Step 6: Final answer
    x = 6,059.63

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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.